From: Animesh Manna <animesh.manna@intel.com>
To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org
Cc: uma.shankar@intel.com, dibin.moolakadan.subrahmanian@intel.com,
jani.nikula@intel.com, Animesh Manna <animesh.manna@intel.com>
Subject: [PATCH v4 07/13] drm/i915/cmtg: Add a hook to make eDP transcoder secondary
Date: Sun, 12 Apr 2026 16:07:06 +0530 [thread overview]
Message-ID: <20260412103712.4021213-8-animesh.manna@intel.com> (raw)
In-Reply-To: <20260412103712.4021213-1-animesh.manna@intel.com>
Program DDI_FUNC_CTL2 to configure the eDP transcoder as secondary
to the CMTG transcoder.
v2:
- Update commit header to be more clear. [Uma]
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
---
drivers/gpu/drm/i915/display/intel_cmtg.c | 13 +++++++++++++
drivers/gpu/drm/i915/display/intel_cmtg.h | 1 +
2 files changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_cmtg.c b/drivers/gpu/drm/i915/display/intel_cmtg.c
index be8b513cde45..f9cfb639b9fd 100644
--- a/drivers/gpu/drm/i915/display/intel_cmtg.c
+++ b/drivers/gpu/drm/i915/display/intel_cmtg.c
@@ -346,3 +346,16 @@ void intel_cmtg_enable_sync(const struct intel_crtc_state *crtc_state)
transcoder_name(cpu_transcoder));
}
}
+
+void intel_cmtg_enable_ddi(const struct intel_crtc_state *crtc_state)
+{
+ struct intel_display *display = to_intel_display(crtc_state);
+ enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
+
+ if (!intel_cmtg_is_allowed(crtc_state))
+ return;
+
+ intel_de_rmw(display, TRANS_DDI_FUNC_CTL2(display, cpu_transcoder), 0, CMTG_SECONDARY_MODE);
+
+ drm_dbg_kms(display->drm, "CMTG: %s enabled\n", transcoder_name(cpu_transcoder));
+}
diff --git a/drivers/gpu/drm/i915/display/intel_cmtg.h b/drivers/gpu/drm/i915/display/intel_cmtg.h
index 64ff6a19948a..12abbafa7d08 100644
--- a/drivers/gpu/drm/i915/display/intel_cmtg.h
+++ b/drivers/gpu/drm/i915/display/intel_cmtg.h
@@ -11,6 +11,7 @@
struct intel_display;
struct intel_crtc_state;
+void intel_cmtg_enable_ddi(const struct intel_crtc_state *crtc_state);
void intel_cmtg_enable_sync(const struct intel_crtc_state *crtc_state);
void intel_cmtg_set_m_n(const struct intel_crtc_state *crtc_state);
void intel_cmtg_set_vrr_timings(const struct intel_crtc_state *crtc_state);
--
2.29.0
next prev parent reply other threads:[~2026-04-12 11:08 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-12 10:36 [PATCH v4 00/13] CMTG enablement Animesh Manna
2026-04-12 10:37 ` [PATCH v4 01/13] drm/i915/cmtg: Add intel_cmtg_is_allowed() for CMTG Animesh Manna
2026-04-14 13:31 ` Jani Nikula
2026-04-12 10:37 ` [PATCH v4 02/13] drm/i915/cmtg: Set CMTG clock select Animesh Manna
2026-04-12 10:37 ` [PATCH v4 03/13] drm/i915/cmtg: Set timings for CMTG Animesh Manna
2026-04-14 13:33 ` Jani Nikula
2026-04-17 6:03 ` Manna, Animesh
2026-04-17 10:26 ` Ville Syrjälä
2026-04-23 4:37 ` Manna, Animesh
2026-04-23 4:55 ` Manna, Animesh
2026-04-23 10:51 ` Ville Syrjälä
2026-04-23 11:07 ` Manna, Animesh
2026-04-29 12:01 ` Ville Syrjälä
2026-04-30 7:16 ` Manna, Animesh
2026-04-12 10:37 ` [PATCH v4 04/13] drm/i915/cmtg: Program VRR registers of CMTG Animesh Manna
2026-04-12 10:37 ` [PATCH v4 05/13] drm/i915/cmtg: Set transcoder mn for CMTG Animesh Manna
2026-04-12 10:37 ` [PATCH v4 06/13] drm/i915/cmtg: Add hook to enable CMTG with sync to port Animesh Manna
2026-04-12 10:37 ` Animesh Manna [this message]
2026-04-12 10:37 ` [PATCH v4 08/13] drm/i915/cmtg: Split CMTG support check from intel_cmtg_is_allowed() Animesh Manna
2026-04-12 10:37 ` [PATCH v4 09/13] drm/i915/cmtg: Modify existing hook to disable CMTG Animesh Manna
2026-04-12 10:37 ` [PATCH v4 10/13] drm/i915/cmtg: Add trigger to enable/disable cmtg Animesh Manna
2026-04-12 10:37 ` [PATCH v4 11/13] drm/i915/cmtg: Add CMTG interrupt handling Animesh Manna
2026-04-12 10:37 ` [PATCH v4 12/13] drm/i915/cmtg: Disable CMTG if dc3co is not allowed Animesh Manna
2026-04-12 10:37 ` [PATCH v4 13/13] drm/i915/cmtg: Set target_dc_state flag for lobf/psr2/pr-alpm Animesh Manna
2026-04-13 12:19 ` Dibin Moolakadan Subrahmanian
2026-04-12 11:16 ` ✓ CI.KUnit: success for CMTG enablement (rev5) Patchwork
2026-04-12 12:05 ` ✓ Xe.CI.BAT: " Patchwork
2026-04-12 13:01 ` ✗ Xe.CI.FULL: failure " Patchwork
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