<div dir="ltr"><div>Reviewed-by: Marek Olšák <<a href="mailto:marek.olsak@amd.com">marek.olsak@amd.com</a>></div><div> </div><div>Marek </div></div> <div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jun 9, 2022 at 10:27 AM Aurabindo Pillai <<a href="mailto:aurabindo.pillai@amd.com">aurabindo.pillai@amd.com</a>> wrote: </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">[Why&How] There are cases where swizzle modes are set but modifiers arent. For such a userspace, we need not check modifiers while checking compatibilty in the drm hook for checking plane format. Ignore checking modifiers but check the DCN generation for the supported swizzle mode. Signed-off-by: Aurabindo Pillai <<a href="mailto:aurabindo.pillai@amd.com" target="_blank">aurabindo.pillai@amd.com</a>> --- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 51 +++++++++++++++++-- 1 file changed, 46 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 2023baf41b7e..1322df491736 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -4938,6 +4938,7 @@ static bool dm_plane_format_mod_supported(struct drm_plane *plane, { struct amdgpu_device *adev = drm_to_adev(plane->dev); const struct drm_format_info *info = drm_format_info(format); + struct hw_asic_id asic_id = adev->dm.dc->ctx->asic_id; int i; enum dm_micro_swizzle microtile = modifier_gfx9_swizzle_mode(modifier) & 3; @@ -4955,13 +4956,53 @@ static bool dm_plane_format_mod_supported(struct drm_plane *plane, return true; } - /* Check that the modifier is on the list of the plane's supported modifiers. */ - for (i = 0; i < plane->modifier_count; i++) { - if (modifier == plane->modifiers[i]) + /* check if swizzle mode is supported by this version of DCN */ + switch (asic_id.chip_family) { + case FAMILY_SI: + case FAMILY_CI: + case FAMILY_KV: + case FAMILY_CZ: + case FAMILY_VI: + /* AI and earlier asics does not have modifier support */ + return false; + break; + case FAMILY_AI: + case FAMILY_RV: + case FAMILY_NV: + case FAMILY_VGH: + case FAMILY_YELLOW_CARP: + case AMDGPU_FAMILY_GC_10_3_6: + case AMDGPU_FAMILY_GC_10_3_7: + switch (AMD_FMT_MOD_GET(TILE, modifier)) { + case AMD_FMT_MOD_TILE_GFX9_64K_R_X: + case AMD_FMT_MOD_TILE_GFX9_64K_D_X: + case AMD_FMT_MOD_TILE_GFX9_64K_S_X: + case AMD_FMT_MOD_TILE_GFX9_64K_D: + return true; + break; + default: + return false; + break; + } + break; + case AMDGPU_FAMILY_GC_11_0_0: + switch (AMD_FMT_MOD_GET(TILE, modifier)) { + case AMD_FMT_MOD_TILE_GFX11_256K_R_X: + case AMD_FMT_MOD_TILE_GFX9_64K_R_X: + case AMD_FMT_MOD_TILE_GFX9_64K_D_X: + case AMD_FMT_MOD_TILE_GFX9_64K_S_X: + case AMD_FMT_MOD_TILE_GFX9_64K_D: + return true; + break; + default: + return false; + break; + } + break; + default: + ASSERT(0); /* Unknown asic */ break; } - if (i == plane->modifier_count) - return false; /* * For D swizzle the canonical modifier depends on the bpp, so check -- 2.36.1 </blockquote></div>