From: Animesh Manna <animesh.manna@intel.com>
To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org,
dri-devel@lists.freedesktop.org
Cc: jouni.hogander@intel.com, jani.nikula@intel.com,
suraj.kandpal@intel.com, Animesh Manna <animesh.manna@intel.com>
Subject: [PATCH v6 01/18] drm/i915/alpm: Add DPCD definition for DP2.1 ALPM capability
Date: Tue, 15 Sep 2026 23:34:32 +0530 [thread overview]
Message-ID: <20260915180449.277933-2-animesh.manna@intel.com> (raw)
In-Reply-To: <20260915180449.277933-1-animesh.manna@intel.com>
Add required DPCD address which will be needed to enable DP2.1 ALPM.
Cc: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
---
include/drm/display/drm_dp.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index e63c7f075f54..9f1e9ef5cdb6 100644
--- a/include/drm/display/drm_dp.h
+++ b/include/drm/display/drm_dp.h
@@ -1541,6 +1541,8 @@
/* See DP_128B132B_SUPPORTED_LINK_RATES for values */
#define DP_PHY_REPEATER_128B132B_RATES 0xf0007 /* 2.0 */
#define DP_PHY_REPEATER_EQ_DONE 0xf0008 /* 2.0 E11 */
+#define DP_LTTPR_ALPM_CAPABILITIES 0xf0009 /* 2.1 */
+#define DP_TOTAL_LTTPR_CNT 0xf000a /* 2.1 */
enum drm_dp_phy {
DP_PHY_DPRX,
@@ -1720,7 +1722,7 @@ enum drm_dp_phy {
#define DP_DSC_BRANCH_CAP_SIZE 3
#define EDP_PSR_RECEIVER_CAP_SIZE 2
#define EDP_DISPLAY_CTL_CAP_SIZE 5
-#define DP_LTTPR_COMMON_CAP_SIZE 8
+#define DP_LTTPR_COMMON_CAP_SIZE 10
#define DP_LTTPR_PHY_CAP_SIZE 3
#define DP_SDP_AUDIO_TIMESTAMP 0x01
--
2.29.0
next prev parent reply other threads:[~2026-09-15 18:39 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-15 18:04 [PATCH v6 00/18] Enable DP2.1 alpm Animesh Manna
2026-09-15 18:04 ` Animesh Manna [this message]
2026-09-15 18:04 ` [PATCH v6 02/18] drm/i915/alpm: Move alpm sink capability readout into a separate function Animesh Manna
2026-09-28 9:58 ` Hogander, Jouni
2026-09-28 10:02 ` Hogander, Jouni
2026-09-30 8:04 ` Jani Nikula
2026-10-01 11:21 ` Manna, Animesh
2026-09-15 18:04 ` [PATCH v6 03/18] drm/i915/alpm: alpm_init() for DP2.1 Animesh Manna
2026-09-15 18:57 ` sashiko-bot
2026-09-28 10:44 ` Hogander, Jouni
2026-09-15 18:04 ` [PATCH v6 04/18] drm/i915/alpm: Enable debugfs " Animesh Manna
2026-09-28 11:22 ` Hogander, Jouni
2026-10-01 11:32 ` Manna, Animesh
2026-10-08 4:40 ` Hogander, Jouni
2026-09-15 18:04 ` [PATCH v6 05/18] drm/i915/alpm: Refactor Auxless wake time calculation Animesh Manna
2026-09-28 11:49 ` Hogander, Jouni
2026-09-15 18:04 ` [PATCH v6 06/18] drm/i915/alpm: Auxless wake time calculation for Xe3p Animesh Manna
2026-09-29 5:34 ` Hogander, Jouni
2026-09-29 5:38 ` Hogander, Jouni
2026-09-15 18:04 ` [PATCH v6 07/18] drm/i915/alpm: Modify AUX_LESS_WAKE_TIME bitfield for xe3lpd Animesh Manna
2026-09-15 18:46 ` sashiko-bot
2026-09-29 6:20 ` Hogander, Jouni
2026-09-15 18:04 ` [PATCH v6 08/18] drm/i915/alpm: table based establishment period Animesh Manna
2026-09-29 7:00 ` Hogander, Jouni
2026-09-29 7:31 ` Hogander, Jouni
2026-10-01 11:40 ` Manna, Animesh
2026-09-15 18:04 ` [PATCH v6 09/18] drm/i915/alpm: Half LFPS cycle calculation Animesh Manna
2026-09-15 18:53 ` sashiko-bot
2026-09-29 9:57 ` Hogander, Jouni
2026-09-15 18:04 ` [PATCH v6 10/18] drm/i915/alpm: Modify LFPS cycle count for DP ALPM Animesh Manna
2026-10-01 6:22 ` Hogander, Jouni
2026-10-01 12:10 ` Hogander, Jouni
2026-10-01 12:11 ` Hogander, Jouni
2026-09-15 18:04 ` [PATCH v6 11/18] drm/i915/alpm: Modify LFPS_CYCLE_COUNT bitfield for xe3lpd Animesh Manna
2026-09-15 18:04 ` [PATCH v6 12/18] drm/i915/alpm: Program LTTPR count for DP 2.1 ALPM Animesh Manna
2026-09-15 18:56 ` sashiko-bot
2026-09-30 8:16 ` Jani Nikula
2026-10-02 4:41 ` Hogander, Jouni
2026-09-15 18:04 ` [PATCH v6 13/18] drm/i915/alpm: Enable MAC Transmitting LFPS for LT PHY Animesh Manna
2026-10-02 5:04 ` Hogander, Jouni
2026-09-15 18:04 ` [PATCH v6 14/18] drm/i915/alpm: Replace is_edp() with alpm_is_possible() Animesh Manna
2026-09-15 18:57 ` sashiko-bot
2026-10-02 6:41 ` Hogander, Jouni
2026-09-15 18:04 ` [PATCH v6 15/18] drm/i915/alpm: Introduce has_alpm to decouple from pr/psr2/lobf Animesh Manna
2026-09-15 19:01 ` sashiko-bot
2026-10-02 8:37 ` Hogander, Jouni
2026-09-15 18:04 ` [PATCH v6 16/18] drm/i915/alpm: Compute and program switch to active latency Animesh Manna
2026-09-15 18:55 ` sashiko-bot
2026-10-02 9:00 ` Hogander, Jouni
2026-09-15 18:04 ` [PATCH v6 17/18] drm/i915/alpm: Program zero-based LFPS half cycle duration Animesh Manna
2026-09-15 19:02 ` sashiko-bot
2026-10-02 9:08 ` Hogander, Jouni
2026-09-15 18:04 ` [PATCH v6 18/18] drm/i915/alpm: Disallow ALPM for UHBR link rate Animesh Manna
2026-09-15 19:01 ` sashiko-bot
2026-10-02 11:33 ` Hogander, Jouni
2026-09-15 21:11 ` ✓ i915.CI.BAT: success for Enable DP2.1 alpm (rev6) Patchwork
2026-09-16 8:14 ` ✗ i915.CI.Full: failure " Patchwork
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