diff options
| author | Jeka | 2025-03-20 23:34:20 +0300 |
|---|---|---|
| committer | Jeka | 2025-03-20 23:34:20 +0300 |
| commit | e2603a165805a865040d5ffbe1db5dfcc1b15087 (patch) | |
| tree | 3d387db5b9f5aecdb938052b953a942b95928833 /0002-drm-amd-display-Avoid-divide-by-zero-by-initializing.patch | |
| parent | a9fcf6eb146bb99793f85b26567c1d3b350e5542 (diff) | |
| download | aur-linux-jcore.tar.gz | |
kernel release 6.13.7
Diffstat (limited to '0002-drm-amd-display-Avoid-divide-by-zero-by-initializing.patch')
| -rw-r--r-- | 0002-drm-amd-display-Avoid-divide-by-zero-by-initializing.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/0002-drm-amd-display-Avoid-divide-by-zero-by-initializing.patch b/0002-drm-amd-display-Avoid-divide-by-zero-by-initializing.patch new file mode 100644 index 000000000000..fc0211cae0dd --- /dev/null +++ b/0002-drm-amd-display-Avoid-divide-by-zero-by-initializing.patch @@ -0,0 +1,31 @@ +From f2bcf1ee4c0bedfdc7e7611887372b62edd8a172 Mon Sep 17 00:00:00 2001 +From: Mario Limonciello <mario.limonciello@amd.com> +Date: Tue, 21 Jan 2025 16:03:52 -0600 +Subject: [PATCH 02/28] drm/amd/display: Avoid divide by zero by initializing + dummy pitch to 1 + +If the dummy values in `populate_dummy_dml_surface_cfg()` aren't updated +then they can lead to a divide by zero in downstream callers like +CalculateVMAndRowBytes() + +Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> +--- + drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c +index bde4250853b1..f07afe451006 100644 +--- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c ++++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c +@@ -852,7 +852,7 @@ static void populate_dummy_dml_surface_cfg(struct dml_surface_cfg_st *out, unsig + out->SurfaceWidthC[location] = in->timing.h_addressable; + out->SurfaceHeightC[location] = in->timing.v_addressable; + out->PitchY[location] = ((out->SurfaceWidthY[location] + 127) / 128) * 128; +- out->PitchC[location] = 0; ++ out->PitchC[location] = 1; + out->DCCEnable[location] = false; + out->DCCMetaPitchY[location] = 0; + out->DCCMetaPitchC[location] = 0; +-- +2.48.1 + |