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From: "Jouni Högander" <jouni.hogander@intel.com>
To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org
Cc: "Jouni Högander" <jouni.hogander@intel.com>
Subject: [RFC PATCH 04/11] drm/i915/dmc: Add PIPEDMC_BLOCK_PKGC_SW definitions
Date: Fri,  7 Mar 2025 12:52:30 +0200	[thread overview]
Message-ID: <20250307105237.2909849-5-jouni.hogander@intel.com> (raw)
In-Reply-To: <20250307105237.2909849-1-jouni.hogander@intel.com>

We need PIPEDMC_BLOCK_PKGC_SW definitions to implement workaround for
underrun on idle PSR HW issue (Wa_16025596647). Add PIPEDMC_BLOCK_PKGC_SW
register definitions.

Bspec: 71265

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dmc_regs.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_dmc_regs.h b/drivers/gpu/drm/i915/display/intel_dmc_regs.h
index 2f1e3cb1a247..e16ea3f16ed8 100644
--- a/drivers/gpu/drm/i915/display/intel_dmc_regs.h
+++ b/drivers/gpu/drm/i915/display/intel_dmc_regs.h
@@ -27,6 +27,14 @@
 						   _MTL_PIPEDMC_EVT_CTL_4_A, \
 						   _MTL_PIPEDMC_EVT_CTL_4_B)
 
+#define PIPEDMC_BLOCK_PKGC_SW_A	0x5f1d0
+#define PIPEDMC_BLOCK_PKGC_SW_B	0x5F5d0
+#define PIPEDMC_BLOCK_PKGC_SW(pipe)				_MMIO_PIPE(pipe, \
+									   PIPEDMC_BLOCK_PKGC_SW_A, \
+									   PIPEDMC_BLOCK_PKGC_SW_B)
+#define PIPEDMC_BLOCK_PKGC_SW_BLOCK_PKGC_ALWAYS			BIT(31)
+#define PIPEDMC_BLOCK_PKGC_SW_BLOCK_PKGC_UNTIL_NEXT_FRAMESTART	BIT(15)
+
 #define _ADLP_PIPEDMC_REG_MMIO_BASE_A	0x5f000
 #define _TGL_PIPEDMC_REG_MMIO_BASE_A	0x92000
 
-- 
2.43.0


  parent reply	other threads:[~2025-03-07 10:52 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-07 10:52 [RFC PATCH 00/11] Underrun on idle PSR workaround Jouni Högander
2025-03-07 10:52 ` [RFC PATCH 01/11] drm/i915/display: Add new interface for getting dc_state Jouni Högander
2025-04-07 10:22   ` Kahola, Mika
2025-03-07 10:52 ` [RFC PATCH 02/11] drm/i915/psr: Store enabled non-psr pipes into intel_crtc_state Jouni Högander
2025-04-07 10:37   ` Kahola, Mika
2025-03-07 10:52 ` [RFC PATCH 03/11] drm/i915/dmc: Add PIPEDMC_EVT_CTL register definition Jouni Högander
2025-04-07 11:09   ` Kahola, Mika
2025-03-07 10:52 ` Jouni Högander [this message]
2025-03-07 10:52 ` [RFC PATCH 05/11] drm/i915/psr: Write PIPEDMC_BLOCK_PKGC_SW when enabling PSR Jouni Högander
2025-03-07 10:52 ` [RFC PATCH 06/11] drm/i915/psr: Add mechanism to notify PSR of pipe enable/disable Jouni Högander
2025-03-07 10:52 ` [RFC PATCH 07/11] drm/i915/psr: Add mechanism to notify PSR of DC5/6 enable disable Jouni Högander
2025-03-07 10:52 ` [RFC PATCH 08/11] drm/i915/psr: Add interface to notify PSR of vblank enable/disable Jouni Högander
2025-03-07 10:52 ` [RFC PATCH 09/11] drm/i915/psr: Apply underrun on PSR idle workaround Jouni Högander
2025-03-07 10:52 ` [RFC PATCH 10/11] drm/i915/display: Rename intel_psr_needs_block_dc_vblank Jouni Högander
2025-03-07 10:52 ` [RFC PATCH 11/11] drm/i915/display: Rename vblank DC workaround functions and variables Jouni Högander
2025-03-07 11:10 ` ✓ CI.Patch_applied: success for Underrun on idle PSR workaround Patchwork
2025-03-07 11:11 ` ✗ CI.checkpatch: warning " Patchwork
2025-03-07 11:12 ` ✓ CI.KUnit: success " Patchwork
2025-03-07 11:29 ` ✓ CI.Build: " Patchwork
2025-03-07 11:31 ` ✓ CI.Hooks: " Patchwork
2025-03-07 11:33 ` ✗ CI.checksparse: warning " Patchwork
2025-03-07 11:53 ` ✓ Xe.CI.BAT: success " Patchwork
2025-03-08  4:41 ` ✗ Xe.CI.Full: failure " Patchwork

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