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drm/amd/display: enable S/G display for for recent APUs by default

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With S/G display becomes stable, enable S/G display for recent APUs
by default rather than white list.

v2: explicitly disable sg on pre-CZ chips (Alex)
v3: add parens for every clause (Alex)

Co-authored-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yifan Zhang 2023-09-27 12:56:15 +08:00 • committed by Alex Deucher
parent b3e73b5a8f
commit 098c13079c
1 changed files with 16 additions and 34 deletions
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50
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@ -1662,41 +1662,23 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
break;
}
switch (adev->asic_type) {
case CHIP_CARRIZO:
case CHIP_STONEY:
init_data.flags.gpu_vm_support = true;
break;
default:
switch (amdgpu_ip_version(adev, DCE_HWIP, 0)) {
case IP_VERSION(1, 0, 0):
case IP_VERSION(1, 0, 1):
/* enable S/G on PCO and RV2 */
if ((adev->apu_flags & AMD_APU_IS_RAVEN2) ||
(adev->apu_flags & AMD_APU_IS_PICASSO))
init_data.flags.gpu_vm_support = true;
break;
case IP_VERSION(2, 1, 0):
case IP_VERSION(3, 0, 1):
case IP_VERSION(3, 1, 2):
case IP_VERSION(3, 1, 3):
case IP_VERSION(3, 1, 4):
case IP_VERSION(3, 1, 5):
case IP_VERSION(3, 1, 6):
case IP_VERSION(3, 5, 0):
init_data.flags.gpu_vm_support = true;
break;
default:
break;
}
break;
}
if (init_data.flags.gpu_vm_support &&
(amdgpu_sg_display == 0))
init_data.flags.gpu_vm_support = false;
/* APU support S/G display by default except:
* ASICs before Carrizo,
* RAVEN1 (Users reported stability issue)
*/
if (init_data.flags.gpu_vm_support)
adev->mode_info.gpu_vm_support = true;
if (adev->asic_type < CHIP_CARRIZO) {
init_data.flags.gpu_vm_support = false;
} else if (adev->asic_type == CHIP_RAVEN) {
if (adev->apu_flags & AMD_APU_IS_RAVEN)
init_data.flags.gpu_vm_support = false;
else
init_data.flags.gpu_vm_support = (amdgpu_sg_display != 0);
} else {
init_data.flags.gpu_vm_support = (amdgpu_sg_display != 0) && (adev->flags & AMD_IS_APU);
}
init_data.flags.gpu_vm_support = adev->mode_info.gpu_vm_support;
if (amdgpu_dc_feature_mask & DC_FBC_MASK)
init_data.flags.fbc_support = true;