drm: omapdrm: Move DSS_FCK feature to dss driver

The FEAT_PARAM_DSS_FCK feature is specific to the DSS, move it from the
omap_dss_features structure to the dss driver.
Signed-off-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: NTomi Valkeinen <tomi.valkeinen@ti.com>

drivers/gpu/drm/omapdrm/dss/dispc.c

@@ -3502,7 +3502,7 @@ bool dispc_div_calc(unsigned long dispc_freq,
 	pckd_hw_min = dispc.feat->min_pcd;
 	pckd_hw_max = 255;
 
-	lck_max = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK);
+	lck_max = dss_get_max_fck_rate();
 
 	pck_min = pck_min ? pck_min : 1;
 	pck_max = pck_max ? pck_max : ULONG_MAX;

drivers/gpu/drm/omapdrm/dss/dpi.c

@@ -211,7 +211,7 @@ static bool dpi_calc_pll_cb(int n, int m, unsigned long fint,
 	ctx->pll_cinfo.clkdco = clkdco;
 
 	return dss_pll_hsdiv_calc_a(ctx->pll, clkdco,
-		ctx->pck_min, dss_feat_get_param_max(FEAT_PARAM_DSS_FCK),
+		ctx->pck_min, dss_get_max_fck_rate(),
 		dpi_calc_hsdiv_cb, ctx);
 }
 

drivers/gpu/drm/omapdrm/dss/dss.c

@@ -81,6 +81,7 @@ struct dss_ops {
 struct dss_features {
 	enum dss_model model;
 	u8 fck_div_max;
+	unsigned int fck_freq_max;
 	u8 dss_fck_multiplier;
 	const char *parent_clk_name;
 	const enum omap_display_type *ports;
@@ -623,7 +624,7 @@ bool dss_div_calc(unsigned long pck, unsigned long fck_min,
 	unsigned long prate;
 	unsigned m;
 
-	fck_hw_max = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK);
+	fck_hw_max = dss.feat->fck_freq_max;
 
 	if (dss.parent_clk == NULL) {
 		unsigned pckd;
@@ -681,6 +682,11 @@ unsigned long dss_get_dispc_clk_rate(void)
 	return dss.dss_clk_rate;
 }
 
+unsigned long dss_get_max_fck_rate(void)
+{
+	return dss.feat->fck_freq_max;
+}
+
 static int dss_setup_default_clock(void)
 {
 	unsigned long max_dss_fck, prate;
@@ -688,7 +694,7 @@ static int dss_setup_default_clock(void)
 	unsigned fck_div;
 	int r;
 
-	max_dss_fck = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK);
+	max_dss_fck = dss.feat->fck_freq_max;
 
 	if (dss.parent_clk == NULL) {
 		fck = clk_round_rate(dss.dss_clk, max_dss_fck);
@@ -1005,6 +1011,7 @@ static const struct dss_features omap24xx_dss_feats = {
 	 * from 1 to 6 has no gaps, so let's use that as a max.
 	 */
 	.fck_div_max		=	6,
+	.fck_freq_max		=	133000000,
 	.dss_fck_multiplier	=	2,
 	.parent_clk_name	=	"core_ck",
 	.ports			=	omap2plus_ports,
@@ -1017,6 +1024,7 @@ static const struct dss_features omap24xx_dss_feats = {
 static const struct dss_features omap34xx_dss_feats = {
 	.model			=	DSS_MODEL_OMAP3,
 	.fck_div_max		=	16,
+	.fck_freq_max		=	173000000,
 	.dss_fck_multiplier	=	2,
 	.parent_clk_name	=	"dpll4_ck",
 	.ports			=	omap34xx_ports,
@@ -1029,6 +1037,7 @@ static const struct dss_features omap34xx_dss_feats = {
 static const struct dss_features omap3630_dss_feats = {
 	.model			=	DSS_MODEL_OMAP3,
 	.fck_div_max		=	32,
+	.fck_freq_max		=	173000000,
 	.dss_fck_multiplier	=	1,
 	.parent_clk_name	=	"dpll4_ck",
 	.ports			=	omap2plus_ports,
@@ -1041,6 +1050,7 @@ static const struct dss_features omap3630_dss_feats = {
 static const struct dss_features omap44xx_dss_feats = {
 	.model			=	DSS_MODEL_OMAP4,
 	.fck_div_max		=	32,
+	.fck_freq_max		=	186000000,
 	.dss_fck_multiplier	=	1,
 	.parent_clk_name	=	"dpll_per_x2_ck",
 	.ports			=	omap2plus_ports,
@@ -1053,6 +1063,7 @@ static const struct dss_features omap44xx_dss_feats = {
 static const struct dss_features omap54xx_dss_feats = {
 	.model			=	DSS_MODEL_OMAP5,
 	.fck_div_max		=	64,
+	.fck_freq_max		=	209250000,
 	.dss_fck_multiplier	=	1,
 	.parent_clk_name	=	"dpll_per_x2_ck",
 	.ports			=	omap2plus_ports,
@@ -1065,6 +1076,7 @@ static const struct dss_features omap54xx_dss_feats = {
 static const struct dss_features am43xx_dss_feats = {
 	.model			=	DSS_MODEL_OMAP3,
 	.fck_div_max		=	0,
+	.fck_freq_max		=	200000000,
 	.dss_fck_multiplier	=	0,
 	.parent_clk_name	=	NULL,
 	.ports			=	omap2plus_ports,
@@ -1077,6 +1089,7 @@ static const struct dss_features am43xx_dss_feats = {
 static const struct dss_features dra7xx_dss_feats = {
 	.model			=	DSS_MODEL_DRA7,
 	.fck_div_max		=	64,
+	.fck_freq_max		=	209250000,
 	.dss_fck_multiplier	=	1,
 	.parent_clk_name	=	"dpll_per_x2_ck",
 	.ports			=	dra7xx_ports,

drivers/gpu/drm/omapdrm/dss/dss.h

@@ -265,6 +265,7 @@ int dss_runtime_get(void);
 void dss_runtime_put(void);
 
 unsigned long dss_get_dispc_clk_rate(void);
+unsigned long dss_get_max_fck_rate(void);
 int dss_dpi_select_source(int port, enum omap_channel channel);
 void dss_select_hdmi_venc_clk_source(enum dss_hdmi_venc_clk_source_select);
 enum dss_hdmi_venc_clk_source_select dss_get_hdmi_venc_clk_source(void);

drivers/gpu/drm/omapdrm/dss/dss_features.c

@@ -28,13 +28,8 @@
 #include "dss.h"
 #include "dss_features.h"
 
-struct dss_param_range {
-	int min, max;
-};
-
 struct omap_dss_features {
 	const enum omap_dss_output_id *supported_outputs;
-	const struct dss_param_range *dss_params;
 };
 
 /* This struct is assigned to one of the below during initialization */
@@ -100,36 +95,14 @@ static const enum omap_dss_output_id omap5_dss_supported_outputs[] = {
 	OMAP_DSS_OUTPUT_DSI2,
 };
 
-static const struct dss_param_range omap2_dss_param_range[] = {
-	[FEAT_PARAM_DSS_FCK]			= { 0, 133000000 },
-};
-
-static const struct dss_param_range omap3_dss_param_range[] = {
-	[FEAT_PARAM_DSS_FCK]			= { 0, 173000000 },
-};
-
-static const struct dss_param_range am43xx_dss_param_range[] = {
-	[FEAT_PARAM_DSS_FCK]			= { 0, 200000000 },
-};
-
-static const struct dss_param_range omap4_dss_param_range[] = {
-	[FEAT_PARAM_DSS_FCK]			= { 0, 186000000 },
-};
-
-static const struct dss_param_range omap5_dss_param_range[] = {
-	[FEAT_PARAM_DSS_FCK]			= { 0, 209250000 },
-};
-
 /* OMAP2 DSS Features */
 static const struct omap_dss_features omap2_dss_features = {
 	.supported_outputs = omap2_dss_supported_outputs,
-	.dss_params = omap2_dss_param_range,
 };
 
 /* OMAP3 DSS Features */
 static const struct omap_dss_features omap3430_dss_features = {
 	.supported_outputs = omap3430_dss_supported_outputs,
-	.dss_params = omap3_dss_param_range,
 };
 
 /*
@@ -138,55 +111,37 @@ static const struct omap_dss_features omap3430_dss_features = {
  */
 static const struct omap_dss_features am35xx_dss_features = {
 	.supported_outputs = omap3430_dss_supported_outputs,
-	.dss_params = omap3_dss_param_range,
 };
 
 static const struct omap_dss_features am43xx_dss_features = {
 	.supported_outputs = am43xx_dss_supported_outputs,
-	.dss_params = am43xx_dss_param_range,
 };
 
 static const struct omap_dss_features omap3630_dss_features = {
 	.supported_outputs = omap3630_dss_supported_outputs,
-	.dss_params = omap3_dss_param_range,
 };
 
 /* OMAP4 DSS Features */
 /* For OMAP4430 ES 1.0 revision */
 static const struct omap_dss_features omap4430_es1_0_dss_features  = {
 	.supported_outputs = omap4_dss_supported_outputs,
-	.dss_params = omap4_dss_param_range,
 };
 
 /* For OMAP4430 ES 2.0, 2.1 and 2.2 revisions */
 static const struct omap_dss_features omap4430_es2_0_1_2_dss_features = {
 	.supported_outputs = omap4_dss_supported_outputs,
-	.dss_params = omap4_dss_param_range,
 };
 
 /* For all the other OMAP4 versions */
 static const struct omap_dss_features omap4_dss_features = {
 	.supported_outputs = omap4_dss_supported_outputs,
-	.dss_params = omap4_dss_param_range,
 };
 
 /* OMAP5 DSS Features */
 static const struct omap_dss_features omap5_dss_features = {
 	.supported_outputs = omap5_dss_supported_outputs,
-	.dss_params = omap5_dss_param_range,
 };
 
-/* Functions returning values related to a DSS feature */
-unsigned long dss_feat_get_param_min(enum dss_range_param param)
-{
-	return omap_current_dss_features->dss_params[param].min;
-}
-
-unsigned long dss_feat_get_param_max(enum dss_range_param param)
-{
-	return omap_current_dss_features->dss_params[param].max;
-}
-
 enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel)
 {
 	return omap_current_dss_features->supported_outputs[channel];

drivers/gpu/drm/omapdrm/dss/dss_features.h

@@ -25,14 +25,6 @@
 #define MAX_DSS_LCD_MANAGERS	3
 #define MAX_NUM_DSI		2
 
-enum dss_range_param {
-	FEAT_PARAM_DSS_FCK,
-};
-
-/* DSS Feature Functions */
-unsigned long dss_feat_get_param_min(enum dss_range_param param);
-unsigned long dss_feat_get_param_max(enum dss_range_param param);
-
 void dss_features_init(enum omapdss_version version);
 
 enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel);