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authorChris Park <Chris.Park@amd.com>2021-11-04 23:52:08 +0300
committerAlex Deucher <alexander.deucher@amd.com>2021-11-18 00:58:08 +0300
commit095041dbfa03a193c7e76c00b0cdd1cfcd45869e (patch)
tree6b15e052e0e5a3aa7f3e182bc8f28164c9147c87 /drivers/gpu/drm/amd/display/dc
parent4cbe435dd68884a9f6669fceb20f3e70a70c7702 (diff)
downloadlinux-095041dbfa03a193c7e76c00b0cdd1cfcd45869e.tar.xz
drm/amd/display: Fix Coverity Issues
[Why] Coverity discovers holes in logic that needs to be addressed for improved code integrity. [How] Address issues found by coverity without changing the actual logic. Reviewed-by: Aric Cyr <Aric.Cyr@amd.com> Acked-by: Anson Jacob <Anson.Jacob@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Chris Park <Chris.Park@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c b/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
index 0321b4446e05..2d0f1f4a8fff 100644
--- a/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
+++ b/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
@@ -574,7 +574,7 @@ static bool decide_dsc_target_bpp_x16(
return *target_bpp_x16 != 0;
}
-#define MIN_AVAILABLE_SLICES_SIZE 4
+#define MIN_AVAILABLE_SLICES_SIZE 6
static int get_available_dsc_slices(union dsc_enc_slice_caps slice_caps, int *available_slices)
{
@@ -860,6 +860,10 @@ static bool setup_dsc_config(
min_slices_h = 0; // DSC TODO: Maybe try increasing the number of slices first?
is_dsc_possible = (min_slices_h <= max_slices_h);
+
+ if (min_slices_h == 0 && max_slices_h == 0)
+ is_dsc_possible = false;
+
if (!is_dsc_possible)
goto done;