diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index ab73300e6c7fbaabe24a50c3f878f3ef1d939877..2be04acf4efbca4eaaba6e2468d5589cbe408787 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1441,12 +1441,14 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) return r; } - r = amdgpu_bo_create_kernel(adev, adev->gmc.stolen_size, PAGE_SIZE, - AMDGPU_GEM_DOMAIN_VRAM, - &adev->stolen_vga_memory, - NULL, NULL); - if (r) - return r; + if (adev->gmc.stolen_size) { + r = amdgpu_bo_create_kernel(adev, adev->gmc.stolen_size, PAGE_SIZE, + AMDGPU_GEM_DOMAIN_VRAM, + &adev->stolen_vga_memory, + NULL, NULL); + if (r) + return r; + } DRM_INFO("amdgpu: %uM of VRAM memory ready\n", (unsigned) (adev->gmc.real_vram_size / (1024 * 1024))); diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c index 5617cf62c5668fba60645ffe8aae8d3fe8920e60..24e1ea36b45413d65e0c107c25b5436ce345f68d 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c @@ -825,6 +825,25 @@ static int gmc_v6_0_late_init(void *handle) return 0; } +static unsigned gmc_v6_0_get_vbios_fb_size(struct amdgpu_device *adev) +{ + u32 d1vga_control = RREG32(mmD1VGA_CONTROL); + unsigned size; + + if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) { + size = 9 * 1024 * 1024; /* reserve 8MB for vga emulator and 1 MB for FB */ + } else { + u32 viewport = RREG32(mmVIEWPORT_SIZE); + size = (REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_HEIGHT) * + REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_WIDTH) * + 4); + } + /* return 0 if the pre-OS buffer uses up most of vram */ + if ((adev->gmc.real_vram_size - size) < (8 * 1024 * 1024)) + return 0; + return size; +} + static int gmc_v6_0_sw_init(void *handle) { int r; @@ -851,8 +870,6 @@ static int gmc_v6_0_sw_init(void *handle) adev->gmc.mc_mask = 0xffffffffffULL; - adev->gmc.stolen_size = 256 * 1024; - adev->need_dma32 = false; dma_bits = adev->need_dma32 ? 32 : 40; r = pci_set_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits)); @@ -878,6 +895,8 @@ static int gmc_v6_0_sw_init(void *handle) if (r) return r; + adev->gmc.stolen_size = gmc_v6_0_get_vbios_fb_size(adev); + r = amdgpu_bo_init(adev); if (r) return r; diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c index 80054f36e487628ebb02b2e2a6837419d5e7507e..93861f9c777374b07737a4981435355673ca24f9 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c @@ -964,6 +964,25 @@ static int gmc_v7_0_late_init(void *handle) return 0; } +static unsigned gmc_v7_0_get_vbios_fb_size(struct amdgpu_device *adev) +{ + u32 d1vga_control = RREG32(mmD1VGA_CONTROL); + unsigned size; + + if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) { + size = 9 * 1024 * 1024; /* reserve 8MB for vga emulator and 1 MB for FB */ + } else { + u32 viewport = RREG32(mmVIEWPORT_SIZE); + size = (REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_HEIGHT) * + REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_WIDTH) * + 4); + } + /* return 0 if the pre-OS buffer uses up most of vram */ + if ((adev->gmc.real_vram_size - size) < (8 * 1024 * 1024)) + return 0; + return size; +} + static int gmc_v7_0_sw_init(void *handle) { int r; @@ -998,8 +1017,6 @@ static int gmc_v7_0_sw_init(void *handle) */ adev->gmc.mc_mask = 0xffffffffffULL; /* 40 bit MC */ - adev->gmc.stolen_size = 256 * 1024; - /* set DMA mask + need_dma32 flags. * PCIE - can handle 40-bits. * IGP - can handle 40-bits @@ -1030,6 +1047,8 @@ static int gmc_v7_0_sw_init(void *handle) if (r) return r; + adev->gmc.stolen_size = gmc_v7_0_get_vbios_fb_size(adev); + /* Memory manager */ r = amdgpu_bo_init(adev); if (r) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index d71d4cb68f9c0a7f0ce4137621d2ac199e794570..fbd8f56c70f305950562076d53638836a7488bd6 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -1055,6 +1055,25 @@ static int gmc_v8_0_late_init(void *handle) return 0; } +static unsigned gmc_v8_0_get_vbios_fb_size(struct amdgpu_device *adev) +{ + u32 d1vga_control = RREG32(mmD1VGA_CONTROL); + unsigned size; + + if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) { + size = 9 * 1024 * 1024; /* reserve 8MB for vga emulator and 1 MB for FB */ + } else { + u32 viewport = RREG32(mmVIEWPORT_SIZE); + size = (REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_HEIGHT) * + REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_WIDTH) * + 4); + } + /* return 0 if the pre-OS buffer uses up most of vram */ + if ((adev->gmc.real_vram_size - size) < (8 * 1024 * 1024)) + return 0; + return size; +} + #define mmMC_SEQ_MISC0_FIJI 0xA71 static int gmc_v8_0_sw_init(void *handle) @@ -1096,8 +1115,6 @@ static int gmc_v8_0_sw_init(void *handle) */ adev->gmc.mc_mask = 0xffffffffffULL; /* 40 bit MC */ - adev->gmc.stolen_size = 256 * 1024; - /* set DMA mask + need_dma32 flags. * PCIE - can handle 40-bits. * IGP - can handle 40-bits @@ -1128,6 +1145,8 @@ static int gmc_v8_0_sw_init(void *handle) if (r) return r; + adev->gmc.stolen_size = gmc_v8_0_get_vbios_fb_size(adev); + /* Memory manager */ r = amdgpu_bo_init(adev); if (r) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index aeaed7fe9ced226130ae0e7e77f988cce1ca850a..3071f51d6ca69c738b0cb7d422eff19d159bc1da 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -57,6 +57,14 @@ #define DF_CS_AON0_DramBaseAddress0__IntLvAddrSel_MASK 0x00000700L #define DF_CS_AON0_DramBaseAddress0__DramBaseAddr_MASK 0xFFFFF000L +/* add these here since we already include dce12 headers and these are for DCN */ +#define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION 0x055d +#define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION_BASE_IDX 2 +#define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_WIDTH__SHIFT 0x0 +#define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_HEIGHT__SHIFT 0x10 +#define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_WIDTH_MASK 0x00003FFFL +#define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_HEIGHT_MASK 0x3FFF0000L + /* XXX Move this macro to VEGA10 header file, which is like vid.h for VI.*/ #define AMDGPU_NUM_OF_VMIDS 8 @@ -791,6 +799,43 @@ static int gmc_v9_0_gart_init(struct amdgpu_device *adev) return amdgpu_gart_table_vram_alloc(adev); } +static unsigned gmc_v9_0_get_vbios_fb_size(struct amdgpu_device *adev) +{ +#if 0 + u32 d1vga_control = RREG32_SOC15(DCE, 0, mmD1VGA_CONTROL); +#endif + unsigned size; + + if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) { + size = 9 * 1024 * 1024; /* reserve 8MB for vga emulator and 1 MB for FB */ + } else { + u32 viewport; + + switch (adev->asic_type) { + case CHIP_RAVEN: + viewport = RREG32_SOC15(DCE, 0, mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION); + size = (REG_GET_FIELD(viewport, + HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) * + REG_GET_FIELD(viewport, + HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_WIDTH) * + 4); + break; + case CHIP_VEGA10: + case CHIP_VEGA12: + default: + viewport = RREG32_SOC15(DCE, 0, mmSCL0_VIEWPORT_SIZE); + size = (REG_GET_FIELD(viewport, SCL0_VIEWPORT_SIZE, VIEWPORT_HEIGHT) * + REG_GET_FIELD(viewport, SCL0_VIEWPORT_SIZE, VIEWPORT_WIDTH) * + 4); + break; + } + } + /* return 0 if the pre-OS buffer uses up most of vram */ + if ((adev->gmc.real_vram_size - size) < (8 * 1024 * 1024)) + return 0; + return size; +} + static int gmc_v9_0_sw_init(void *handle) { int r; @@ -842,12 +887,6 @@ static int gmc_v9_0_sw_init(void *handle) */ adev->gmc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */ - /* - * It needs to reserve 8M stolen memory for vega10 - * TODO: Figure out how to avoid that... - */ - adev->gmc.stolen_size = 8 * 1024 * 1024; - /* set DMA mask + need_dma32 flags. * PCIE - can handle 44-bits. * IGP - can handle 44-bits @@ -872,6 +911,8 @@ static int gmc_v9_0_sw_init(void *handle) if (r) return r; + adev->gmc.stolen_size = gmc_v9_0_get_vbios_fb_size(adev); + /* Memory manager */ r = amdgpu_bo_init(adev); if (r)