summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/display
diff options
context:
space:
mode:
authorAlex Deucher <alexander.deucher@amd.com>2023-09-20 20:27:58 +0300
committerAlex Deucher <alexander.deucher@amd.com>2023-09-27 00:00:22 +0300
commitde59b69932e64d77445d973a101d81d6e7e670c6 (patch)
tree61ab332974d917a5d2fbf9c944687d8c4d601325 /drivers/gpu/drm/amd/display
parent29495d81457a483c2859ccde59cc063034bfe47d (diff)
downloadlinux-de59b69932e64d77445d973a101d81d6e7e670c6.tar.xz
drm/amdgpu/gmc: set a default disable value for AGP
To disable AGP, the start needs to be set to a higher value than the end. Set a default disable value for the AGP aperture and allow the IP specific GMC code to enable it selectively be calling amdgpu_gmc_agp_location(). Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index ab234bf0b2d4..a0023d157ffb 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1256,7 +1256,7 @@ static void mmhub_read_system_context(struct amdgpu_device *adev, struct dc_phy_
agp_top = adev->gmc.agp_end >> 24;
/* AGP aperture is disabled */
- if (agp_bot == agp_top) {
+ if (agp_bot > agp_top) {
logical_addr_low = adev->gmc.fb_start >> 18;
if (adev->apu_flags & AMD_APU_IS_RAVEN2)
/*