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drm/amdgpu/display: re-enable freesync video patches

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Since this is a "revert of a revert", the end effect is that freesync
video is back to its original state, the way it was before the first
revert.

Signed-off-by: Nikola Cornij <nikola.cornij@amd.com>
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nikola Cornij
2021-03-15 19:51:37 -04:00
committed by Alex Deucher
parent 63f3067d8f
commit a85ba00538
4 changed files with 349 additions and 35 deletions
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12
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
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@@ -166,6 +166,7 @@ int amdgpu_mes;
int amdgpu_noretry = -1;
int amdgpu_force_asic_type = -1;
int amdgpu_tmz = -1; /* auto */
uint amdgpu_freesync_vid_mode;
int amdgpu_reset_method = -1; /* auto */
int amdgpu_num_kcq = -1;
@@ -828,6 +829,17 @@ module_param_named(backlight, amdgpu_backlight, bint, 0444);
MODULE_PARM_DESC(tmz, "Enable TMZ feature (-1 = auto (default), 0 = off, 1 = on)");
module_param_named(tmz, amdgpu_tmz, int, 0444);
/**
* DOC: freesync_video (uint)
* Enabled the optimization to adjust front porch timing to achieve seamless mode change experience
* when setting a freesync supported mode for which full modeset is not needed.
* The default value: 0 (off).
*/
MODULE_PARM_DESC(
freesync_video,
"Enable freesync modesetting optimization feature (0 = off (default), 1 = on)");
module_param_named(freesync_video, amdgpu_freesync_vid_mode, uint, 0444);
/**
* DOC: reset_method (int)
* GPU reset method (-1 = auto (default), 0 = legacy, 1 = mode0, 2 = mode1, 3 = mode2, 4 = baco, 5 = pci)