Merge branch 'drm-radeon-next' of /ssd/git/drm-radeon-next into drm-core-next

* 'drm-radeon-next' of /ssd/git/drm-radeon-next: (32 commits)
  drivers/gpu/drm/radeon/atom.c: fix warning
  drm/radeon/kms: bump kms version number
  drm/radeon/kms: properly set num banks for fusion asics
  drm/radeon/kms/atom: move dig phy init out of modesetting
  drm/radeon/kms/cayman: fix typo in register mask
  drm/radeon/kms: fix typo in spread spectrum code
  drm/radeon/kms: fix tile_config value reported to userspace on cayman.
  drm/radeon/kms: fix incorrect comparison in cayman setup code.
  drm/radeon/kms: add wait idle ioctl for eg->cayman
  drm/radeon/cayman: setup hdp to invalidate and flush when asked
  drm/radeon/evergreen/btc/fusion: setup hdp to invalidate and flush when asked
  agp/uninorth: Fix lockups with radeon KMS and >1x.
  drm/radeon/kms: the SS_Id field in the LCD table if for LVDS only
  drm/radeon/kms: properly set the CLK_REF bit for DCE3 devices
  drm/radeon/kms: fixup eDP connector handling
  drm/radeon/kms: bail early for eDP in hotplug callback
  drm/radeon/kms: simplify hotplug handler logic
  drm/radeon/kms: rewrite DP handling
  drm/radeon/kms/atom: add support for setting DP panel mode
  drm/radeon/kms: atombios.h updates for DP panel mode
  ...

drivers/char/agp/uninorth-agp.c

@@ -80,7 +80,7 @@ static void uninorth_tlbflush(struct agp_memory *mem)
 			       ctrl | UNI_N_CFG_GART_INVAL);
 	pci_write_config_dword(agp_bridge->dev, UNI_N_CFG_GART_CTRL, ctrl);
 
-	if (uninorth_rev <= 0x30) {
+	if (!mem && uninorth_rev <= 0x30) {
 		pci_write_config_dword(agp_bridge->dev, UNI_N_CFG_GART_CTRL,
 				       ctrl | UNI_N_CFG_GART_2xRESET);
 		pci_write_config_dword(agp_bridge->dev, UNI_N_CFG_GART_CTRL,

drivers/gpu/drm/radeon/atom.c

@@ -652,12 +652,12 @@ static void atom_op_compare(atom_exec_context *ctx, int *ptr, int arg)
 
 static void atom_op_delay(atom_exec_context *ctx, int *ptr, int arg)
 {
-	uint8_t count = U8((*ptr)++);
+	unsigned count = U8((*ptr)++);
 	SDEBUG("   count: %d\n", count);
 	if (arg == ATOM_UNIT_MICROSEC)
 		udelay(count);
 	else
-		schedule_timeout_uninterruptible(msecs_to_jiffies(count));
+		msleep(count);
 }
 
 static void atom_op_div(atom_exec_context *ctx, int *ptr, int arg)

drivers/gpu/drm/radeon/atombios.h

@@ -726,6 +726,7 @@ typedef struct _DIG_ENCODER_CONTROL_PARAMETERS_V2
 #define ATOM_ENCODER_CMD_DP_VIDEO_ON                  0x0d
 #define ATOM_ENCODER_CMD_QUERY_DP_LINK_TRAINING_STATUS    0x0e
 #define ATOM_ENCODER_CMD_SETUP                        0x0f
+#define ATOM_ENCODER_CMD_SETUP_PANEL_MODE             0x10
 
 // ucStatus
 #define ATOM_ENCODER_STATUS_LINK_TRAINING_COMPLETE    0x10
@@ -765,13 +766,19 @@ typedef struct _DIG_ENCODER_CONTROL_PARAMETERS_V3
   USHORT usPixelClock;      // in 10KHz; for bios convenient
   ATOM_DIG_ENCODER_CONFIG_V3 acConfig;
   UCHAR ucAction;                              
-  UCHAR ucEncoderMode;
+  union {
+    UCHAR ucEncoderMode;
                             // =0: DP   encoder      
                             // =1: LVDS encoder          
                             // =2: DVI  encoder  
                             // =3: HDMI encoder
                             // =4: SDVO encoder
                             // =5: DP audio
+    UCHAR ucPanelMode;      // only valid when ucAction == ATOM_ENCODER_CMD_SETUP_PANEL_MODE
+	                    // =0:     external DP
+	                    // =1:     internal DP2
+	                    // =0x11:  internal DP1 for NutMeg/Travis DP translator
+  };
   UCHAR ucLaneNum;          // how many lanes to enable
   UCHAR ucBitPerColor;      // only valid for DP mode when ucAction = ATOM_ENCODER_CMD_SETUP
   UCHAR ucReserved;
@@ -816,13 +823,19 @@ typedef struct _DIG_ENCODER_CONTROL_PARAMETERS_V4
   UCHAR ucConfig;
   };
   UCHAR ucAction;                              
-  UCHAR ucEncoderMode;
+  union {
+    UCHAR ucEncoderMode;
                             // =0: DP   encoder      
                             // =1: LVDS encoder          
                             // =2: DVI  encoder  
                             // =3: HDMI encoder
                             // =4: SDVO encoder
                             // =5: DP audio
+    UCHAR ucPanelMode;      // only valid when ucAction == ATOM_ENCODER_CMD_SETUP_PANEL_MODE
+	                    // =0:     external DP
+	                    // =1:     internal DP2
+	                    // =0x11:  internal DP1 for NutMeg/Travis DP translator
+  };
   UCHAR ucLaneNum;          // how many lanes to enable
   UCHAR ucBitPerColor;      // only valid for DP mode when ucAction = ATOM_ENCODER_CMD_SETUP
   UCHAR ucHPD_ID;           // HPD ID (1-6). =0 means to skip HDP programming. New comparing to previous version
@@ -836,6 +849,11 @@ typedef struct _DIG_ENCODER_CONTROL_PARAMETERS_V4
 #define PANEL_12BIT_PER_COLOR                            0x04
 #define PANEL_16BIT_PER_COLOR                            0x05
 
+//define ucPanelMode
+#define DP_PANEL_MODE_EXTERNAL_DP_MODE                   0x00
+#define DP_PANEL_MODE_INTERNAL_DP2_MODE                  0x01
+#define DP_PANEL_MODE_INTERNAL_DP1_MODE                  0x11
+
 /****************************************************************************/	
 // Structures used by UNIPHYTransmitterControlTable
 //                    LVTMATransmitterControlTable

drivers/gpu/drm/radeon/atombios_crtc.c

@@ -420,7 +420,7 @@ static void atombios_crtc_program_ss(struct drm_crtc *crtc,
 
 	if (ASIC_IS_DCE5(rdev)) {
 		args.v3.usSpreadSpectrumAmountFrac = cpu_to_le16(0);
-		args.v3.ucSpreadSpectrumType = ss->type;
+		args.v3.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
 		switch (pll_id) {
 		case ATOM_PPLL1:
 			args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P1PLL;
@@ -440,10 +440,12 @@ static void atombios_crtc_program_ss(struct drm_crtc *crtc,
 		case ATOM_PPLL_INVALID:
 			return;
 		}
-		args.v2.ucEnable = enable;
+		args.v3.ucEnable = enable;
+		if ((ss->percentage == 0) || (ss->type & ATOM_EXTERNAL_SS_MASK))
+			args.v3.ucEnable = ATOM_DISABLE;
 	} else if (ASIC_IS_DCE4(rdev)) {
 		args.v2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
-		args.v2.ucSpreadSpectrumType = ss->type;
+		args.v2.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
 		switch (pll_id) {
 		case ATOM_PPLL1:
 			args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P1PLL;
@@ -464,32 +466,36 @@ static void atombios_crtc_program_ss(struct drm_crtc *crtc,
 			return;
 		}
 		args.v2.ucEnable = enable;
+		if ((ss->percentage == 0) || (ss->type & ATOM_EXTERNAL_SS_MASK))
+			args.v2.ucEnable = ATOM_DISABLE;
 	} else if (ASIC_IS_DCE3(rdev)) {
 		args.v1.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
-		args.v1.ucSpreadSpectrumType = ss->type;
+		args.v1.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
 		args.v1.ucSpreadSpectrumStep = ss->step;
 		args.v1.ucSpreadSpectrumDelay = ss->delay;
 		args.v1.ucSpreadSpectrumRange = ss->range;
 		args.v1.ucPpll = pll_id;
 		args.v1.ucEnable = enable;
 	} else if (ASIC_IS_AVIVO(rdev)) {
-		if (enable == ATOM_DISABLE) {
+		if ((enable == ATOM_DISABLE) || (ss->percentage == 0) ||
+		    (ss->type & ATOM_EXTERNAL_SS_MASK)) {
 			atombios_disable_ss(crtc);
 			return;
 		}
 		args.lvds_ss_2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
-		args.lvds_ss_2.ucSpreadSpectrumType = ss->type;
+		args.lvds_ss_2.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
 		args.lvds_ss_2.ucSpreadSpectrumStep = ss->step;
 		args.lvds_ss_2.ucSpreadSpectrumDelay = ss->delay;
 		args.lvds_ss_2.ucSpreadSpectrumRange = ss->range;
 		args.lvds_ss_2.ucEnable = enable;
 	} else {
-		if (enable == ATOM_DISABLE) {
+		if ((enable == ATOM_DISABLE) || (ss->percentage == 0) ||
+		    (ss->type & ATOM_EXTERNAL_SS_MASK)) {
 			atombios_disable_ss(crtc);
 			return;
 		}
 		args.lvds_ss.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
-		args.lvds_ss.ucSpreadSpectrumType = ss->type;
+		args.lvds_ss.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
 		args.lvds_ss.ucSpreadSpectrumStepSize_Delay = (ss->step & 3) << 2;
 		args.lvds_ss.ucSpreadSpectrumStepSize_Delay |= (ss->delay & 7) << 4;
 		args.lvds_ss.ucEnable = enable;
@@ -512,6 +518,7 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
 	struct radeon_device *rdev = dev->dev_private;
 	struct drm_encoder *encoder = NULL;
 	struct radeon_encoder *radeon_encoder = NULL;
+	struct drm_connector *connector = NULL;
 	u32 adjusted_clock = mode->clock;
 	int encoder_mode = 0;
 	u32 dp_clock = mode->clock;
@@ -546,9 +553,12 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
 		if (encoder->crtc == crtc) {
 			radeon_encoder = to_radeon_encoder(encoder);
+			connector = radeon_get_connector_for_encoder(encoder);
+			if (connector)
+				bpc = connector->display_info.bpc;
 			encoder_mode = atombios_get_encoder_mode(encoder);
-			if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) {
-				struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
+			if ((radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) ||
+			    radeon_encoder_is_dp_bridge(encoder)) {
 				if (connector) {
 					struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 					struct radeon_connector_atom_dig *dig_connector =
@@ -612,7 +622,7 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
 				args.v1.usPixelClock = cpu_to_le16(mode->clock / 10);
 				args.v1.ucTransmitterID = radeon_encoder->encoder_id;
 				args.v1.ucEncodeMode = encoder_mode;
-				if (ss_enabled)
+				if (ss_enabled && ss->percentage)
 					args.v1.ucConfig |=
 						ADJUST_DISPLAY_CONFIG_SS_ENABLE;
 
@@ -625,10 +635,11 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
 				args.v3.sInput.ucTransmitterID = radeon_encoder->encoder_id;
 				args.v3.sInput.ucEncodeMode = encoder_mode;
 				args.v3.sInput.ucDispPllConfig = 0;
-				if (ss_enabled)
+				if (ss_enabled && ss->percentage)
 					args.v3.sInput.ucDispPllConfig |=
 						DISPPLL_CONFIG_SS_ENABLE;
-				if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
+				if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT) ||
+				    radeon_encoder_is_dp_bridge(encoder)) {
 					struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 					if (encoder_mode == ATOM_ENCODER_MODE_DP) {
 						args.v3.sInput.ucDispPllConfig |=
@@ -754,7 +765,10 @@ static void atombios_crtc_program_pll(struct drm_crtc *crtc,
 				      u32 ref_div,
 				      u32 fb_div,
 				      u32 frac_fb_div,
-				      u32 post_div)
+				      u32 post_div,
+				      int bpc,
+				      bool ss_enabled,
+				      struct radeon_atom_ss *ss)
 {
 	struct drm_device *dev = crtc->dev;
 	struct radeon_device *rdev = dev->dev_private;
@@ -801,6 +815,8 @@ static void atombios_crtc_program_pll(struct drm_crtc *crtc,
 			args.v3.ucPostDiv = post_div;
 			args.v3.ucPpll = pll_id;
 			args.v3.ucMiscInfo = (pll_id << 2);
+			if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK))
+				args.v3.ucMiscInfo |= PIXEL_CLOCK_MISC_REF_DIV_SRC;
 			args.v3.ucTransmitterId = encoder_id;
 			args.v3.ucEncoderMode = encoder_mode;
 			break;
@@ -812,6 +828,17 @@ static void atombios_crtc_program_pll(struct drm_crtc *crtc,
 			args.v5.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000);
 			args.v5.ucPostDiv = post_div;
 			args.v5.ucMiscInfo = 0; /* HDMI depth, etc. */
+			if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK))
+				args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_REF_DIV_SRC;
+			switch (bpc) {
+			case 8:
+			default:
+				args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_24BPP;
+				break;
+			case 10:
+				args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_30BPP;
+				break;
+			}
 			args.v5.ucTransmitterID = encoder_id;
 			args.v5.ucEncoderMode = encoder_mode;
 			args.v5.ucPpll = pll_id;
@@ -824,6 +851,23 @@ static void atombios_crtc_program_pll(struct drm_crtc *crtc,
 			args.v6.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000);
 			args.v6.ucPostDiv = post_div;
 			args.v6.ucMiscInfo = 0; /* HDMI depth, etc. */
+			if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK))
+				args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_REF_DIV_SRC;
+			switch (bpc) {
+			case 8:
+			default:
+				args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_24BPP;
+				break;
+			case 10:
+				args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_30BPP;
+				break;
+			case 12:
+				args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_36BPP;
+				break;
+			case 16:
+				args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_48BPP;
+				break;
+			}
 			args.v6.ucTransmitterID = encoder_id;
 			args.v6.ucEncoderMode = encoder_mode;
 			args.v6.ucPpll = pll_id;
@@ -855,6 +899,7 @@ static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode
 	int encoder_mode = 0;
 	struct radeon_atom_ss ss;
 	bool ss_enabled = false;
+	int bpc = 8;
 
 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
 		if (encoder->crtc == crtc) {
@@ -891,41 +936,30 @@ static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode
 		struct radeon_connector_atom_dig *dig_connector =
 			radeon_connector->con_priv;
 		int dp_clock;
+		bpc = connector->display_info.bpc;
 
 		switch (encoder_mode) {
 		case ATOM_ENCODER_MODE_DP:
 			/* DP/eDP */
 			dp_clock = dig_connector->dp_clock / 10;
-			if (radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT)) {
-				if (ASIC_IS_DCE4(rdev))
-					ss_enabled =
-						radeon_atombios_get_asic_ss_info(rdev, &ss,
-										 dig->lcd_ss_id,
-										 dp_clock);
-				else
+			if (ASIC_IS_DCE4(rdev))
+				ss_enabled =
+					radeon_atombios_get_asic_ss_info(rdev, &ss,
+									 ASIC_INTERNAL_SS_ON_DP,
+									 dp_clock);
+			else {
+				if (dp_clock == 16200) {
 					ss_enabled =
 						radeon_atombios_get_ppll_ss_info(rdev, &ss,
-										 dig->lcd_ss_id);
-			} else {
-				if (ASIC_IS_DCE4(rdev))
-					ss_enabled =
-						radeon_atombios_get_asic_ss_info(rdev, &ss,
-										 ASIC_INTERNAL_SS_ON_DP,
-										 dp_clock);
-				else {
-					if (dp_clock == 16200) {
-						ss_enabled =
-							radeon_atombios_get_ppll_ss_info(rdev, &ss,
-											 ATOM_DP_SS_ID2);
-						if (!ss_enabled)
-							ss_enabled =
-								radeon_atombios_get_ppll_ss_info(rdev, &ss,
-												 ATOM_DP_SS_ID1);
-					} else
+										 ATOM_DP_SS_ID2);
+					if (!ss_enabled)
 						ss_enabled =
 							radeon_atombios_get_ppll_ss_info(rdev, &ss,
 											 ATOM_DP_SS_ID1);
-				}
+				} else
+					ss_enabled =
+						radeon_atombios_get_ppll_ss_info(rdev, &ss,
+										 ATOM_DP_SS_ID1);
 			}
 			break;
 		case ATOM_ENCODER_MODE_LVDS:
@@ -974,7 +1008,7 @@ static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode
 
 	atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
 				  encoder_mode, radeon_encoder->encoder_id, mode->clock,
-				  ref_div, fb_div, frac_fb_div, post_div);
+				  ref_div, fb_div, frac_fb_div, post_div, bpc, ss_enabled, &ss);
 
 	if (ss_enabled) {
 		/* calculate ss amount and step size */
@@ -982,7 +1016,7 @@ static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode
 			u32 step_size;
 			u32 amount = (((fb_div * 10) + frac_fb_div) * ss.percentage) / 10000;
 			ss.amount = (amount / 10) & ATOM_PPLL_SS_AMOUNT_V2_FBDIV_MASK;
-			ss.amount |= ((amount - (ss.amount * 10)) << ATOM_PPLL_SS_AMOUNT_V2_NFRAC_SHIFT) &
+			ss.amount |= ((amount - (amount / 10)) << ATOM_PPLL_SS_AMOUNT_V2_NFRAC_SHIFT) &
 				ATOM_PPLL_SS_AMOUNT_V2_NFRAC_MASK;
 			if (ss.type & ATOM_PPLL_SS_TYPE_V2_CENTRE_SPREAD)
 				step_size = (4 * amount * ref_div * (ss.rate * 2048)) /
@@ -1395,11 +1429,19 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc)
 	uint32_t pll_in_use = 0;
 
 	if (ASIC_IS_DCE4(rdev)) {
-		/* if crtc is driving DP and we have an ext clock, use that */
 		list_for_each_entry(test_encoder, &dev->mode_config.encoder_list, head) {
 			if (test_encoder->crtc && (test_encoder->crtc == crtc)) {
+				/* in DP mode, the DP ref clock can come from PPLL, DCPLL, or ext clock,
+				 * depending on the asic:
+				 * DCE4: PPLL or ext clock
+				 * DCE5: DCPLL or ext clock
+				 *
+				 * Setting ATOM_PPLL_INVALID will cause SetPixelClock to skip
+				 * PPLL/DCPLL programming and only program the DP DTO for the
+				 * crtc virtual pixel clock.
+				 */
 				if (atombios_get_encoder_mode(test_encoder) == ATOM_ENCODER_MODE_DP) {
-					if (rdev->clock.dp_extclk)
+					if (ASIC_IS_DCE5(rdev) || rdev->clock.dp_extclk)
 						return ATOM_PPLL_INVALID;
 				}
 			}
@@ -1515,6 +1557,8 @@ static void atombios_crtc_commit(struct drm_crtc *crtc)
 static void atombios_crtc_disable(struct drm_crtc *crtc)
 {
 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+	struct radeon_atom_ss ss;
+
 	atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
 
 	switch (radeon_crtc->pll_id) {
@@ -1522,7 +1566,7 @@ static void atombios_crtc_disable(struct drm_crtc *crtc)
 	case ATOM_PPLL2:
 		/* disable the ppll */
 		atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
-					  0, 0, ATOM_DISABLE, 0, 0, 0, 0);
+					  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
 		break;
 	default:
 		break;

drivers/gpu/drm/radeon/evergreen.c

@@ -1578,7 +1578,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
 	u32 sq_stack_resource_mgmt_2;
 	u32 sq_stack_resource_mgmt_3;
 	u32 vgt_cache_invalidation;
-	u32 hdp_host_path_cntl;
+	u32 hdp_host_path_cntl, tmp;
 	int i, j, num_shader_engines, ps_thread_count;
 
 	switch (rdev->family) {
@@ -1933,8 +1933,12 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
 		rdev->config.evergreen.tile_config |= (3 << 0);
 		break;
 	}
-	rdev->config.evergreen.tile_config |=
-		((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4;
+	/* num banks is 8 on all fusion asics */
+	if (rdev->flags & RADEON_IS_IGP)
+		rdev->config.evergreen.tile_config |= 8 << 4;
+	else
+		rdev->config.evergreen.tile_config |=
+			((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4;
 	rdev->config.evergreen.tile_config |=
 		((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT) << 8;
 	rdev->config.evergreen.tile_config |=
@@ -2138,6 +2142,10 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
 	for (i = SQ_ALU_CONST_BUFFER_SIZE_HS_0; i < 0x29000; i += 4)
 		WREG32(i, 0);
 
+	tmp = RREG32(HDP_MISC_CNTL);
+	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
+	WREG32(HDP_MISC_CNTL, tmp);
+
 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
 

drivers/gpu/drm/radeon/evergreend.h

@@ -64,6 +64,8 @@
 #define GB_BACKEND_MAP  				0x98FC
 #define DMIF_ADDR_CONFIG  				0xBD4
 #define HDP_ADDR_CONFIG  				0x2F48
+#define HDP_MISC_CNTL  					0x2F4C
+#define		HDP_FLUSH_INVALIDATE_CACHE      	(1 << 0)
 
 #define	CC_SYS_RB_BACKEND_DISABLE			0x3F88
 #define	GC_USER_RB_BACKEND_DISABLE			0x9B7C

drivers/gpu/drm/radeon/ni.c

@@ -417,7 +417,7 @@ static u32 cayman_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
 		num_shader_engines = 1;
 	if (num_shader_engines > rdev->config.cayman.max_shader_engines)
 		num_shader_engines = rdev->config.cayman.max_shader_engines;
-	if (num_backends_per_asic > num_shader_engines)
+	if (num_backends_per_asic < num_shader_engines)
 		num_backends_per_asic = num_shader_engines;
 	if (num_backends_per_asic > (rdev->config.cayman.max_backends_per_se * num_shader_engines))
 		num_backends_per_asic = rdev->config.cayman.max_backends_per_se * num_shader_engines;
@@ -829,7 +829,7 @@ static void cayman_gpu_init(struct radeon_device *rdev)
 	rdev->config.cayman.tile_config |=
 		((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4;
 	rdev->config.cayman.tile_config |=
-		(gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT;
+		((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
 	rdev->config.cayman.tile_config |=
 		((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
 
@@ -931,6 +931,10 @@ static void cayman_gpu_init(struct radeon_device *rdev)
 	WREG32(CB_PERF_CTR3_SEL_0, 0);
 	WREG32(CB_PERF_CTR3_SEL_1, 0);
 
+	tmp = RREG32(HDP_MISC_CNTL);
+	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
+	WREG32(HDP_MISC_CNTL, tmp);
+
 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
 

drivers/gpu/drm/radeon/nid.h

@@ -136,6 +136,8 @@
 #define	HDP_NONSURFACE_INFO				0x2C08
 #define	HDP_NONSURFACE_SIZE				0x2C0C
 #define HDP_ADDR_CONFIG  				0x2F48
+#define HDP_MISC_CNTL					0x2F4C
+#define 	HDP_FLUSH_INVALIDATE_CACHE			(1 << 0)
 
 #define	CC_SYS_RB_BACKEND_DISABLE			0x3F88
 #define	GC_USER_SYS_RB_BACKEND_DISABLE			0x3F8C
@@ -351,7 +353,7 @@
 #define		MULTI_GPU_TILE_SIZE_MASK		0x03000000
 #define		MULTI_GPU_TILE_SIZE_SHIFT		24
 #define		ROW_SIZE(x)             		((x) << 28)
-#define		ROW_SIZE_MASK				0x30000007
+#define		ROW_SIZE_MASK				0x30000000
 #define		ROW_SIZE_SHIFT				28
 #define		NUM_LOWER_PIPES(x)			((x) << 30)
 #define		NUM_LOWER_PIPES_MASK			0x40000000

drivers/gpu/drm/radeon/radeon_asic.c

@@ -782,6 +782,7 @@ static struct radeon_asic evergreen_asic = {
 	.hpd_fini = &evergreen_hpd_fini,
 	.hpd_sense = &evergreen_hpd_sense,
 	.hpd_set_polarity = &evergreen_hpd_set_polarity,
+	.ioctl_wait_idle = r600_ioctl_wait_idle,
 	.gui_idle = &r600_gui_idle,
 	.pm_misc = &evergreen_pm_misc,
 	.pm_prepare = &evergreen_pm_prepare,
@@ -828,6 +829,7 @@ static struct radeon_asic sumo_asic = {
 	.hpd_fini = &evergreen_hpd_fini,
 	.hpd_sense = &evergreen_hpd_sense,
 	.hpd_set_polarity = &evergreen_hpd_set_polarity,
+	.ioctl_wait_idle = r600_ioctl_wait_idle,
 	.gui_idle = &r600_gui_idle,
 	.pm_misc = &evergreen_pm_misc,
 	.pm_prepare = &evergreen_pm_prepare,
@@ -874,6 +876,7 @@ static struct radeon_asic btc_asic = {
 	.hpd_fini = &evergreen_hpd_fini,
 	.hpd_sense = &evergreen_hpd_sense,
 	.hpd_set_polarity = &evergreen_hpd_set_polarity,
+	.ioctl_wait_idle = r600_ioctl_wait_idle,
 	.gui_idle = &r600_gui_idle,
 	.pm_misc = &evergreen_pm_misc,
 	.pm_prepare = &evergreen_pm_prepare,
@@ -920,6 +923,7 @@ static struct radeon_asic cayman_asic = {
 	.hpd_fini = &evergreen_hpd_fini,
 	.hpd_sense = &evergreen_hpd_sense,
 	.hpd_set_polarity = &evergreen_hpd_set_polarity,
+	.ioctl_wait_idle = r600_ioctl_wait_idle,
 	.gui_idle = &r600_gui_idle,
 	.pm_misc = &evergreen_pm_misc,
 	.pm_prepare = &evergreen_pm_prepare,

drivers/gpu/drm/radeon/radeon_device.c

@@ -923,6 +923,9 @@ int radeon_resume_kms(struct drm_device *dev)
 	radeon_fbdev_set_suspend(rdev, 0);
 	console_unlock();
 
+	/* init dig PHYs */
+	if (rdev->is_atom_bios)
+		radeon_atom_encoder_init(rdev);
 	/* reset hpd state */
 	radeon_hpd_init(rdev);
 	/* blat the mode back in */

drivers/gpu/drm/radeon/radeon_display.c

@@ -1345,6 +1345,11 @@ int radeon_modeset_init(struct radeon_device *rdev)
 	if (!ret) {
 		return ret;
 	}
+
+	/* init dig PHYs */
+	if (rdev->is_atom_bios)
+		radeon_atom_encoder_init(rdev);
+
 	/* initialize hpd */
 	radeon_hpd_init(rdev);
 

drivers/gpu/drm/radeon/radeon_drv.c

@@ -50,9 +50,10 @@
  *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
  *   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
  *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
+ *   2.10.0 - fusion 2D tiling
  */
 #define KMS_DRIVER_MAJOR	2
-#define KMS_DRIVER_MINOR	9
+#define KMS_DRIVER_MINOR	10
 #define KMS_DRIVER_PATCHLEVEL	0
 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
 int radeon_driver_unload_kms(struct drm_device *dev);

drivers/gpu/drm/radeon/radeon_encoders.c

@@ -229,6 +229,22 @@ radeon_get_connector_for_encoder(struct drm_encoder *encoder)
 	return NULL;
 }
 
+static struct drm_connector *
+radeon_get_connector_for_encoder_init(struct drm_encoder *encoder)
+{
+	struct drm_device *dev = encoder->dev;
+	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+	struct drm_connector *connector;
+	struct radeon_connector *radeon_connector;
+
+	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+		radeon_connector = to_radeon_connector(connector);
+		if (radeon_encoder->devices & radeon_connector->devices)
+			return connector;
+	}
+	return NULL;
+}
+
 struct drm_encoder *radeon_atom_get_external_encoder(struct drm_encoder *encoder)
 {
 	struct drm_device *dev = encoder->dev;
@@ -250,6 +266,25 @@ struct drm_encoder *radeon_atom_get_external_encoder(struct drm_encoder *encoder
 	return NULL;
 }
 
+bool radeon_encoder_is_dp_bridge(struct drm_encoder *encoder)
+{
+	struct drm_encoder *other_encoder = radeon_atom_get_external_encoder(encoder);
+
+	if (other_encoder) {
+		struct radeon_encoder *radeon_encoder = to_radeon_encoder(other_encoder);
+
+		switch (radeon_encoder->encoder_id) {
+		case ENCODER_OBJECT_ID_TRAVIS:
+		case ENCODER_OBJECT_ID_NUTMEG:
+			return true;
+		default:
+			return false;
+		}
+	}
+
+	return false;
+}
+
 void radeon_panel_mode_fixup(struct drm_encoder *encoder,
 			     struct drm_display_mode *adjusted_mode)
 {
@@ -621,6 +656,10 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
 	struct radeon_connector *radeon_connector;
 	struct radeon_connector_atom_dig *dig_connector;
 
+	/* dp bridges are always DP */
+	if (radeon_encoder_is_dp_bridge(encoder))
+		return ATOM_ENCODER_MODE_DP;
+
 	connector = radeon_get_connector_for_encoder(encoder);
 	if (!connector) {
 		switch (radeon_encoder->encoder_id) {
@@ -668,7 +707,6 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
 		return ATOM_ENCODER_MODE_LVDS;
 		break;
 	case DRM_MODE_CONNECTOR_DisplayPort:
-	case DRM_MODE_CONNECTOR_eDP:
 		dig_connector = radeon_connector->con_priv;
 		if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
 		    (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
@@ -682,6 +720,8 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
 		} else
 			return ATOM_ENCODER_MODE_DVI;
 		break;
+	case DRM_MODE_CONNECTOR_eDP:
+		return ATOM_ENCODER_MODE_DP;
 	case DRM_MODE_CONNECTOR_DVIA:
 	case DRM_MODE_CONNECTOR_VGA:
 		return ATOM_ENCODER_MODE_CRT;
@@ -747,7 +787,7 @@ union dig_encoder_control {
 };
 
 void
-atombios_dig_encoder_setup(struct drm_encoder *encoder, int action)
+atombios_dig_encoder_setup(struct drm_encoder *encoder, int action, int panel_mode)
 {
 	struct drm_device *dev = encoder->dev;
 	struct radeon_device *rdev = dev->dev_private;
@@ -760,6 +800,7 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action)
 	int dp_clock = 0;
 	int dp_lane_count = 0;
 	int hpd_id = RADEON_HPD_NONE;
+	int bpc = 8;
 
 	if (connector) {
 		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
@@ -769,6 +810,7 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action)
 		dp_clock = dig_connector->dp_clock;
 		dp_lane_count = dig_connector->dp_lane_count;
 		hpd_id = radeon_connector->hpd.hpd;
+		bpc = connector->display_info.bpc;
 	}
 
 	/* no dig encoder assigned */
@@ -791,7 +833,10 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action)
 
 	args.v1.ucAction = action;
 	args.v1.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10);
-	args.v1.ucEncoderMode = atombios_get_encoder_mode(encoder);
+	if (action == ATOM_ENCODER_CMD_SETUP_PANEL_MODE)
+		args.v3.ucPanelMode = panel_mode;
+	else
+		args.v1.ucEncoderMode = atombios_get_encoder_mode(encoder);
 
 	if ((args.v1.ucEncoderMode == ATOM_ENCODER_MODE_DP) ||
 	    (args.v1.ucEncoderMode == ATOM_ENCODER_MODE_DP_MST))
@@ -810,7 +855,27 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action)
 				args.v1.ucConfig |= ATOM_ENCODER_CONFIG_V4_DPLINKRATE_5_40GHZ;
 		}
 		args.v4.acConfig.ucDigSel = dig->dig_encoder;
-		args.v4.ucBitPerColor = PANEL_8BIT_PER_COLOR;
+		switch (bpc) {
+		case 0:
+			args.v4.ucBitPerColor = PANEL_BPC_UNDEFINE;
+			break;
+		case 6:
+			args.v4.ucBitPerColor = PANEL_6BIT_PER_COLOR;
+			break;
+		case 8:
+		default:
+			args.v4.ucBitPerColor = PANEL_8BIT_PER_COLOR;
+			break;
+		case 10:
+			args.v4.ucBitPerColor = PANEL_10BIT_PER_COLOR;
+			break;
+		case 12:
+			args.v4.ucBitPerColor = PANEL_12BIT_PER_COLOR;
+			break;
+		case 16:
+			args.v4.ucBitPerColor = PANEL_16BIT_PER_COLOR;
+			break;
+		}
 		if (hpd_id == RADEON_HPD_NONE)
 			args.v4.ucHPD_ID = 0;
 		else
@@ -819,7 +884,27 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action)
 		if ((args.v1.ucEncoderMode == ATOM_ENCODER_MODE_DP) && (dp_clock == 270000))
 			args.v1.ucConfig |= ATOM_ENCODER_CONFIG_V3_DPLINKRATE_2_70GHZ;
 		args.v3.acConfig.ucDigSel = dig->dig_encoder;
-		args.v3.ucBitPerColor = PANEL_8BIT_PER_COLOR;
+		switch (bpc) {
+		case 0:
+			args.v3.ucBitPerColor = PANEL_BPC_UNDEFINE;
+			break;
+		case 6:
+			args.v3.ucBitPerColor = PANEL_6BIT_PER_COLOR;
+			break;
+		case 8:
+		default:
+			args.v3.ucBitPerColor = PANEL_8BIT_PER_COLOR;
+			break;
+		case 10:
+			args.v3.ucBitPerColor = PANEL_10BIT_PER_COLOR;
+			break;
+		case 12:
+			args.v3.ucBitPerColor = PANEL_12BIT_PER_COLOR;
+			break;
+		case 16:
+			args.v3.ucBitPerColor = PANEL_16BIT_PER_COLOR;
+			break;
+		}
 	} else {
 		if ((args.v1.ucEncoderMode == ATOM_ENCODER_MODE_DP) && (dp_clock == 270000))
 			args.v1.ucConfig |= ATOM_ENCODER_CONFIG_DPLINKRATE_2_70GHZ;
@@ -859,7 +944,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
-	struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
+	struct drm_connector *connector;
 	union dig_transmitter_control args;
 	int index = 0;
 	uint8_t frev, crev;
@@ -870,6 +955,11 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
 	int connector_object_id = 0;
 	int igp_lane_info = 0;
 
+	if (action == ATOM_TRANSMITTER_ACTION_INIT)
+		connector = radeon_get_connector_for_encoder_init(encoder);
+	else
+		connector = radeon_get_connector_for_encoder(encoder);
+
 	if (connector) {
 		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 		struct radeon_connector_atom_dig *dig_connector =
@@ -931,10 +1021,10 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
 		else
 			args.v3.ucLaneNum = 4;
 
-		if (dig->linkb) {
+		if (dig->linkb)
 			args.v3.acConfig.ucLinkSel = 1;
+		if (dig->dig_encoder & 1)
 			args.v3.acConfig.ucEncoderSel = 1;
-		}
 
 		/* Select the PLL for the PHY
 		 * DP PHY should be clocked from external src if there is
@@ -946,11 +1036,16 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
 		}
 
 		if (ASIC_IS_DCE5(rdev)) {
-			if (is_dp && rdev->clock.dp_extclk)
-				args.v4.acConfig.ucRefClkSource = 3; /* external src */
-			else
+			/* On DCE5 DCPLL usually generates the DP ref clock */
+			if (is_dp) {
+				if (rdev->clock.dp_extclk)
+					args.v4.acConfig.ucRefClkSource = ENCODER_REFCLK_SRC_EXTCLK;
+				else
+					args.v4.acConfig.ucRefClkSource = ENCODER_REFCLK_SRC_DCPLL;
+			} else
 				args.v4.acConfig.ucRefClkSource = pll_id;
 		} else {
+			/* On DCE4, if there is an external clock, it generates the DP ref clock */
 			if (is_dp && rdev->clock.dp_extclk)
 				args.v3.acConfig.ucRefClkSource = 2; /* external src */
 			else
@@ -1047,7 +1142,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 }
 
-void
+bool
 atombios_set_edp_panel_power(struct drm_connector *connector, int action)
 {
 	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
@@ -1058,23 +1153,37 @@ atombios_set_edp_panel_power(struct drm_connector *connector, int action)
 	uint8_t frev, crev;
 
 	if (connector->connector_type != DRM_MODE_CONNECTOR_eDP)
-		return;
+		goto done;
 
 	if (!ASIC_IS_DCE4(rdev))
-		return;
+		goto done;
 
 	if ((action != ATOM_TRANSMITTER_ACTION_POWER_ON) &&
 	    (action != ATOM_TRANSMITTER_ACTION_POWER_OFF))
-		return;
+		goto done;
 
 	if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
-		return;
+		goto done;
 
 	memset(&args, 0, sizeof(args));
 
 	args.v1.ucAction = action;
 
 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+
+	/* wait for the panel to power up */
+	if (action == ATOM_TRANSMITTER_ACTION_POWER_ON) {
+		int i;
+
+		for (i = 0; i < 300; i++) {
+			if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
+				return true;
+			mdelay(1);
+		}
+		return false;
+	}
+done:
+	return true;
 }
 
 union external_encoder_control {
@@ -1092,13 +1201,19 @@ atombios_external_encoder_setup(struct drm_encoder *encoder,
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 	struct radeon_encoder *ext_radeon_encoder = to_radeon_encoder(ext_encoder);
 	union external_encoder_control args;
-	struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
+	struct drm_connector *connector;
 	int index = GetIndexIntoMasterTable(COMMAND, ExternalEncoderControl);
 	u8 frev, crev;
 	int dp_clock = 0;
 	int dp_lane_count = 0;
 	int connector_object_id = 0;
 	u32 ext_enum = (ext_radeon_encoder->encoder_enum & ENUM_ID_MASK) >> ENUM_ID_SHIFT;
+	int bpc = 8;
+
+	if (action == EXTERNAL_ENCODER_ACTION_V3_ENCODER_INIT)
+		connector = radeon_get_connector_for_encoder_init(encoder);
+	else
+		connector = radeon_get_connector_for_encoder(encoder);
 
 	if (connector) {
 		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
@@ -1109,6 +1224,7 @@ atombios_external_encoder_setup(struct drm_encoder *encoder,
 		dp_lane_count = dig_connector->dp_lane_count;
 		connector_object_id =
 			(radeon_connector->connector_object_id & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
+		bpc = connector->display_info.bpc;
 	}
 
 	memset(&args, 0, sizeof(args));
@@ -1166,7 +1282,27 @@ atombios_external_encoder_setup(struct drm_encoder *encoder,
 				args.v3.sExtEncoder.ucConfig |= EXTERNAL_ENCODER_CONFIG_V3_ENCODER3;
 				break;
 			}
-			args.v3.sExtEncoder.ucBitPerColor = PANEL_8BIT_PER_COLOR;
+			switch (bpc) {
+			case 0:
+				args.v3.sExtEncoder.ucBitPerColor = PANEL_BPC_UNDEFINE;
+				break;
+			case 6:
+				args.v3.sExtEncoder.ucBitPerColor = PANEL_6BIT_PER_COLOR;
+				break;
+			case 8:
+			default:
+				args.v3.sExtEncoder.ucBitPerColor = PANEL_8BIT_PER_COLOR;
+				break;
+			case 10:
+				args.v3.sExtEncoder.ucBitPerColor = PANEL_10BIT_PER_COLOR;
+				break;
+			case 12:
+				args.v3.sExtEncoder.ucBitPerColor = PANEL_12BIT_PER_COLOR;
+				break;
+			case 16:
+				args.v3.sExtEncoder.ucBitPerColor = PANEL_16BIT_PER_COLOR;
+				break;
+			}
 			break;
 		default:
 			DRM_ERROR("Unknown table version: %d, %d\n", frev, crev);
@@ -1307,9 +1443,11 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode)
 								     ATOM_TRANSMITTER_ACTION_POWER_ON);
 					radeon_dig_connector->edp_on = true;
 				}
-				dp_link_train(encoder, connector);
 				if (ASIC_IS_DCE4(rdev))
-					atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_ON);
+					atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_OFF, 0);
+				radeon_dp_link_train(encoder, connector);
+				if (ASIC_IS_DCE4(rdev))
+					atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_ON, 0);
 			}
 			if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
 				atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_LCD_BLON, 0, 0);
@@ -1322,7 +1460,7 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode)
 				struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
 
 				if (ASIC_IS_DCE4(rdev))
-					atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_OFF);
+					atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_OFF, 0);
 				if (connector &&
 				    (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
 					struct radeon_connector *radeon_connector = to_radeon_connector(connector);
@@ -1601,12 +1739,9 @@ static int radeon_atom_pick_dig_encoder(struct drm_encoder *encoder)
 	/* DCE4/5 */
 	if (ASIC_IS_DCE4(rdev)) {
 		dig = radeon_encoder->enc_priv;
-		if (ASIC_IS_DCE41(rdev)) {
-			if (dig->linkb)
-				return 1;
-			else
-				return 0;
-		} else {
+		if (ASIC_IS_DCE41(rdev))
+			return radeon_crtc->crtc_id;
+		else {
 			switch (radeon_encoder->encoder_id) {
 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
 				if (dig->linkb)
@@ -1662,6 +1797,34 @@ static int radeon_atom_pick_dig_encoder(struct drm_encoder *encoder)
 	return 1;
 }
 
+/* This only needs to be called once at startup */
+void
+radeon_atom_encoder_init(struct radeon_device *rdev)
+{
+	struct drm_device *dev = rdev->ddev;
+	struct drm_encoder *encoder;
+
+	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+		struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+		struct drm_encoder *ext_encoder = radeon_atom_get_external_encoder(encoder);
+
+		switch (radeon_encoder->encoder_id) {
+		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
+		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
+		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
+		case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
+			atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_INIT, 0, 0);
+			break;
+		default:
+			break;
+		}
+
+		if (ext_encoder && ASIC_IS_DCE41(rdev))
+			atombios_external_encoder_setup(encoder, ext_encoder,
+							EXTERNAL_ENCODER_ACTION_V3_ENCODER_INIT);
+	}
+}
+
 static void
 radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
 			     struct drm_display_mode *mode,
@@ -1696,19 +1859,17 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
 			/* disable the transmitter */
 			atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
 			/* setup and enable the encoder */
-			atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_SETUP);
+			atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_SETUP, 0);
 
-			/* init and enable the transmitter */
-			atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_INIT, 0, 0);
+			/* enable the transmitter */
 			atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
 		} else {
 			/* disable the encoder and transmitter */
 			atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
-			atombios_dig_encoder_setup(encoder, ATOM_DISABLE);
+			atombios_dig_encoder_setup(encoder, ATOM_DISABLE, 0);
 
 			/* setup and enable the encoder and transmitter */
-			atombios_dig_encoder_setup(encoder, ATOM_ENABLE);
-			atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_INIT, 0, 0);
+			atombios_dig_encoder_setup(encoder, ATOM_ENABLE, 0);
 			atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_SETUP, 0, 0);
 			atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
 		}
@@ -1733,12 +1894,10 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
 	}
 
 	if (ext_encoder) {
-		if (ASIC_IS_DCE41(rdev)) {
-			atombios_external_encoder_setup(encoder, ext_encoder,
-							EXTERNAL_ENCODER_ACTION_V3_ENCODER_INIT);
+		if (ASIC_IS_DCE41(rdev))
 			atombios_external_encoder_setup(encoder, ext_encoder,
 							EXTERNAL_ENCODER_ACTION_V3_ENCODER_SETUP);
-		} else
+		else
 			atombios_external_encoder_setup(encoder, ext_encoder, ATOM_ENABLE);
 	}
 
@@ -1845,8 +2004,9 @@ static void radeon_atom_encoder_prepare(struct drm_encoder *encoder)
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 	struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
 
-	if (radeon_encoder->active_device &
-	    (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) {
+	if ((radeon_encoder->active_device &
+	     (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
+	    radeon_encoder_is_dp_bridge(encoder)) {
 		struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 		if (dig)
 			dig->dig_encoder = radeon_atom_pick_dig_encoder(encoder);
@@ -1855,11 +2015,17 @@ static void radeon_atom_encoder_prepare(struct drm_encoder *encoder)
 	radeon_atom_output_lock(encoder, true);
 	radeon_atom_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
 
-	/* select the clock/data port if it uses a router */
 	if (connector) {
 		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+
+		/* select the clock/data port if it uses a router */
 		if (radeon_connector->router.cd_valid)
 			radeon_router_select_cd_port(radeon_connector);
+
+		/* turn eDP panel on for mode set */
+		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
+			atombios_set_edp_panel_power(connector,
+						     ATOM_TRANSMITTER_ACTION_POWER_ON);
 	}
 
 	/* this is needed for the pll/ss setup to work correctly in some cases */
@@ -1914,7 +2080,7 @@ static void radeon_atom_encoder_disable(struct drm_encoder *encoder)
 		else {
 			/* disable the encoder and transmitter */
 			atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
-			atombios_dig_encoder_setup(encoder, ATOM_DISABLE);
+			atombios_dig_encoder_setup(encoder, ATOM_DISABLE, 0);
 		}
 		break;
 	case ENCODER_OBJECT_ID_INTERNAL_DDI:

drivers/gpu/drm/radeon/radeon_mode.h

@@ -464,22 +464,27 @@ radeon_atombios_get_tv_info(struct radeon_device *rdev);
 extern struct drm_connector *
 radeon_get_connector_for_encoder(struct drm_encoder *encoder);
 
+extern bool radeon_encoder_is_dp_bridge(struct drm_encoder *encoder);
+extern bool radeon_connector_encoder_is_dp_bridge(struct drm_connector *connector);
+extern bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector);
+extern bool radeon_connector_is_dp12_capable(struct drm_connector *connector);
+
 extern void radeon_connector_hotplug(struct drm_connector *connector);
-extern bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector);
-extern int radeon_dp_mode_valid_helper(struct radeon_connector *radeon_connector,
+extern int radeon_dp_mode_valid_helper(struct drm_connector *connector,
 				       struct drm_display_mode *mode);
 extern void radeon_dp_set_link_config(struct drm_connector *connector,
 				      struct drm_display_mode *mode);
-extern void dp_link_train(struct drm_encoder *encoder,
-			  struct drm_connector *connector);
+extern void radeon_dp_link_train(struct drm_encoder *encoder,
+				 struct drm_connector *connector);
 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
 extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
-extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int action);
+extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int action, int panel_mode);
+extern void radeon_atom_encoder_init(struct radeon_device *rdev);
 extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
 					   int action, uint8_t lane_num,
 					   uint8_t lane_set);
 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
-				uint8_t write_byte, uint8_t *read_byte);
+				u8 write_byte, u8 *read_byte);
 
 extern void radeon_i2c_init(struct radeon_device *rdev);
 extern void radeon_i2c_fini(struct radeon_device *rdev);
@@ -545,7 +550,7 @@ struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, i
 extern void atombios_dvo_setup(struct drm_encoder *encoder, int action);
 extern void atombios_digital_setup(struct drm_encoder *encoder, int action);
 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
-extern void atombios_set_edp_panel_power(struct drm_connector *connector, int action);
+extern bool atombios_set_edp_panel_power(struct drm_connector *connector, int action);
 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
 
 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);

include/drm/drm_dp_helper.h

@@ -53,6 +53,7 @@
 
 #define DP_MAX_LANE_COUNT                   0x002
 # define DP_MAX_LANE_COUNT_MASK		    0x1f
+# define DP_TPS3_SUPPORTED		    (1 << 6)
 # define DP_ENHANCED_FRAME_CAP		    (1 << 7)
 
 #define DP_MAX_DOWNSPREAD                   0x003
@@ -71,10 +72,13 @@
 
 #define DP_MAIN_LINK_CHANNEL_CODING         0x006
 
+#define DP_TRAINING_AUX_RD_INTERVAL         0x00e
+
 /* link configuration */
 #define	DP_LINK_BW_SET		            0x100
 # define DP_LINK_BW_1_62		    0x06
 # define DP_LINK_BW_2_7			    0x0a
+# define DP_LINK_BW_5_4			    0x14
 
 #define DP_LANE_COUNT_SET	            0x101
 # define DP_LANE_COUNT_MASK		    0x0f
@@ -84,6 +88,7 @@
 # define DP_TRAINING_PATTERN_DISABLE	    0
 # define DP_TRAINING_PATTERN_1		    1
 # define DP_TRAINING_PATTERN_2		    2
+# define DP_TRAINING_PATTERN_3		    3
 # define DP_TRAINING_PATTERN_MASK	    0x3
 
 # define DP_LINK_QUAL_PATTERN_DISABLE	    (0 << 2)