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authorLinus Torvalds <torvalds@linux-foundation.org>2025-06-06 08:09:56 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2025-06-06 08:09:56 -0700
commite332935a540eb76dd656663ca908eb0544d96757 (patch)
tree240e3ed2cf2c49bf202bc6b512479f5856a43e5f /drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
parent67faad74352d1ce0c1f411f92fdb1e0c0f3c9380 (diff)
parent04c8970771b4f1f39bb8453a2eeb188c4d5edbd6 (diff)
Merge tag 'drm-next-2025-06-06' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie: "This is pretty much two weeks worth of fixes, plus one thing that might be considered next: amdkfd is now able to be enabled on risc-v platforms. Otherwise, amdgpu and xe with the majority of fixes, and then a smattering all over. panel: - nt37801: fix IS_ERR - nt37801: fix KConfig connector: - Fix null deref in HDMI audio helper. bridge: - analogix_dp: fixup clk-disable removal nouveau: - minor typo fix (',' vs ';') msm: - mailmap updates i915: - Fix the enabling/disabling of DP audio SDP splitting - Fix PSR register definitions for ALPM - Fix u32 overflow in SNPS PHY HDMI PLL setup - Fix GuC pending message underflow when submit fails - Fix GuC wakeref underflow race during reset xe: - Two documentation fixes - A couple of vm init fixes - Hwmon fixes - Drop reduntant conversion to bool - Fix CONFIG_INTEL_VSEC dependency - Rework eviction rejection of bound external bos - Stop re-submitting signalled jobs - A couple of pxp fixes - Add back a fix that got lost in a merge - Create LRC bo without VM - Fix for the above fix amdgpu: - UserQ fixes - SMU 13.x fixes - VCN fixes - JPEG fixes - Misc cleanups - runtime pm fix - DCN 4.0.1 fixes - Misc display fixes - ISP fix - VRAM manager fix - RAS fixes - IP discovery fix - Cleaner shader fix for GC 10.1.x - OD fix - Non-OLED panel fix - Misc display fixes - Brightness fixes amdkfd: - Enable CONFIG_HSA_AMD on RISCV - SVM fix - Misc cleanups - Ref leak fix - WPTR BO fix radeon: - Misc cleanups" * tag 'drm-next-2025-06-06' of https://gitlab.freedesktop.org/drm/kernel: (105 commits) drm/nouveau/vfn/r535: Convert comma to semicolon drm/xe: remove unmatched xe_vm_unlock() from __xe_exec_queue_init() drm/xe: Create LRC BO without VM drm/xe/guc_submit: add back fix drm/xe/pxp: Clarify PXP queue creation behavior if PXP is not ready drm/xe/pxp: Use the correct define in the set_property_funcs array drm/xe/sched: stop re-submitting signalled jobs drm/xe: Rework eviction rejection of bound external bos drm/xe/vsec: fix CONFIG_INTEL_VSEC dependency drm/xe: drop redundant conversion to bool drm/xe/hwmon: Move card reactive critical power under channel card drm/xe/hwmon: Add support to manage power limits though mailbox drm/xe/vm: move xe_svm_init() earlier drm/xe/vm: move rebind_work init earlier MAINTAINERS: .mailmap: update Rob Clark's email address mailmap: Update entry for Akhil P Oommen MAINTAINERS: update my email address MAINTAINERS: drop myself as maintainer drm/i915/display: Fix u32 overflow in SNPS PHY HDMI PLL setup drm/amd/display: Fix default DC and AC levels ...
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
index 21b57c29bf7d..c74947705d77 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
@@ -1009,6 +1009,11 @@ static int vcn_v1_0_start_spg_mode(struct amdgpu_vcn_inst *vinst)
jpeg_v1_0_start(adev, 0);
+ /* Keeping one read-back to ensure all register writes are done,
+ * otherwise it may introduce race conditions.
+ */
+ RREG32_SOC15(UVD, 0, mmUVD_STATUS);
+
return 0;
}
@@ -1154,6 +1159,11 @@ static int vcn_v1_0_start_dpg_mode(struct amdgpu_vcn_inst *vinst)
jpeg_v1_0_start(adev, 1);
+ /* Keeping one read-back to ensure all register writes are done,
+ * otherwise it may introduce race conditions.
+ */
+ RREG32_SOC15(UVD, 0, mmUVD_STATUS);
+
return 0;
}
@@ -1216,6 +1226,12 @@ static int vcn_v1_0_stop_spg_mode(struct amdgpu_vcn_inst *vinst)
vcn_v1_0_enable_clock_gating(vinst);
vcn_1_0_enable_static_power_gating(vinst);
+
+ /* Keeping one read-back to ensure all register writes are done,
+ * otherwise it may introduce race conditions.
+ */
+ RREG32_SOC15(UVD, 0, mmUVD_STATUS);
+
return 0;
}
@@ -1250,6 +1266,11 @@ static int vcn_v1_0_stop_dpg_mode(struct amdgpu_vcn_inst *vinst)
WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS), 0,
~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
+ /* Keeping one read-back to ensure all register writes are done,
+ * otherwise it may introduce race conditions.
+ */
+ RREG32_SOC15(UVD, 0, mmUVD_STATUS);
+
return 0;
}