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authorRodrigo Vivi <rodrigo.vivi@intel.com>2024-12-19 18:55:36 -0500
committerThomas Hellström <thomas.hellstrom@linux.intel.com>2025-01-09 10:38:56 +0100
commitb84e1cd22f8a8c03b7b1051372560c7017c8be92 (patch)
tree2de40baa48423277c426f637d569b89bda970779
parent9ab4981552930a9c45682d62424ba610edc3992d (diff)
drm/xe/dg1: Fix power gate sequence.drm-xe-fixes-2025-01-09
sub-pipe PG is not present on DG1. Setting these bits can disable other power gates and cause GPU hangs on video playbacks. VLK: 16314, 4304 Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/13381 Cc: Vinay Belgaumkar <vinay.belgaumkar@intel.com> Cc: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com> Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241219235536.454270-1-rodrigo.vivi@intel.com Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> (cherry picked from commit 2f12e9c029315c1400059b2e7fdf53117c09c3a9) Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
-rw-r--r--drivers/gpu/drm/xe/xe_gt_idle.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_idle.c b/drivers/gpu/drm/xe/xe_gt_idle.c
index fd80afeef56a..ffd3ba7f6656 100644
--- a/drivers/gpu/drm/xe/xe_gt_idle.c
+++ b/drivers/gpu/drm/xe/xe_gt_idle.c
@@ -122,10 +122,12 @@ void xe_gt_idle_enable_pg(struct xe_gt *gt)
if (!xe_gt_is_media_type(gt))
gtidle->powergate_enable |= RENDER_POWERGATE_ENABLE;
- for (i = XE_HW_ENGINE_VCS0, j = 0; i <= XE_HW_ENGINE_VCS7; ++i, ++j) {
- if ((gt->info.engine_mask & BIT(i)))
- gtidle->powergate_enable |= (VDN_HCP_POWERGATE_ENABLE(j) |
- VDN_MFXVDENC_POWERGATE_ENABLE(j));
+ if (xe->info.platform != XE_DG1) {
+ for (i = XE_HW_ENGINE_VCS0, j = 0; i <= XE_HW_ENGINE_VCS7; ++i, ++j) {
+ if ((gt->info.engine_mask & BIT(i)))
+ gtidle->powergate_enable |= (VDN_HCP_POWERGATE_ENABLE(j) |
+ VDN_MFXVDENC_POWERGATE_ENABLE(j));
+ }
}
fw_ref = xe_force_wake_get(gt_to_fw(gt), XE_FW_GT);