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/openbmc/linux/drivers/gpu/drm/amd/display/dc/dcn32/ |
H A D | dcn32_optc.c | 2ceddecd Wed Jan 03 08:42:04 CST 2024 Ilya Bakoulin <ilya.bakoulin@amd.com> drm/amd/display: Clear OPTC mem select on disable
[ Upstream commit b4e05bb1dec53fe28c3c88425aded824498666e5 ]
[Why] Not clearing the memory select bits prior to OPTC disable can cause DSC corruption issues when attempting to reuse a memory instance for another OPTC that enables ODM.
[How] Clear the memory select bits prior to disabling an OPTC.
Cc: Mario Limonciello <mario.limonciello@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Reviewed-by: Charlene Liu <charlene.liu@amd.com> Acked-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Ilya Bakoulin <ilya.bakoulin@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org> 2ceddecd Wed Jan 03 08:42:04 CST 2024 Ilya Bakoulin <ilya.bakoulin@amd.com> drm/amd/display: Clear OPTC mem select on disable
[ Upstream commit b4e05bb1dec53fe28c3c88425aded824498666e5 ]
[Why] Not clearing the memory select bits prior to OPTC disable can cause DSC corruption issues when attempting to reuse a memory instance for another OPTC that enables ODM.
[How] Clear the memory select bits prior to disabling an OPTC.
Cc: Mario Limonciello <mario.limonciello@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Reviewed-by: Charlene Liu <charlene.liu@amd.com> Acked-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Ilya Bakoulin <ilya.bakoulin@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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