diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2032-drm-amd-display-CS_TFM_1D-only-applied-post-EOTF.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2032-drm-amd-display-CS_TFM_1D-only-applied-post-EOTF.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2032-drm-amd-display-CS_TFM_1D-only-applied-post-EOTF.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2032-drm-amd-display-CS_TFM_1D-only-applied-post-EOTF.patch new file mode 100644 index 00000000..34312455 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2032-drm-amd-display-CS_TFM_1D-only-applied-post-EOTF.patch @@ -0,0 +1,38 @@ +From 06d50c0974e0f2953e6b0414ac969e1548862352 Mon Sep 17 00:00:00 2001 +From: Krunoslav Kovac <Krunoslav.Kovac@amd.com> +Date: Thu, 16 May 2019 11:14:55 -0400 +Subject: [PATCH 2032/2940] drm/amd/display: CS_TFM_1D only applied post EOTF + +[Why] +There's some unnecessary mem allocation for CS_TFM_ID. What's worse, it +depends on LUT size and since it's 4K for CS_TFM_1D, it is 16x bigger +than in regular case when it's actually needed. This leads to some +crashes in stress conditions. + +[How] +Skip ramp combining designed for RGB256 and DXGI gamma with CS_TFM_1D. + +Signed-off-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com> +Reviewed-by: Aric Cyr <Aric.Cyr@amd.com> +Acked-by: Leo Li <sunpeng.li@amd.com> +--- + drivers/gpu/drm/amd/display/modules/color/color_gamma.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c +index 369a89071217..89a65e1d8317 100644 +--- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c ++++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c +@@ -1576,7 +1576,8 @@ bool mod_color_calculate_regamma_params(struct dc_transfer_func *output_tf, + + output_tf->type = TF_TYPE_DISTRIBUTED_POINTS; + +- if (ramp && (mapUserRamp || ramp->type != GAMMA_RGB_256)) { ++ if (ramp && ramp->type != GAMMA_CS_TFM_1D && ++ (mapUserRamp || ramp->type != GAMMA_RGB_256)) { + rgb_user = kvcalloc(ramp->num_entries + _EXTRA_POINTS, + sizeof(*rgb_user), + GFP_KERNEL); +-- +2.17.1 + |