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Message-Id: <20240522-panel-sw43408-fix-v3-1-6902285adcc0@linaro.org>
Date: Wed, 22 May 2024 09:25:53 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Neil Armstrong <neil.armstrong@...aro.org>,
Jessica Zhang <quic_jesszhan@...cinc.com>, Sam Ravnborg <sam@...nborg.org>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
Sumit Semwal <sumit.semwal@...aro.org>,
Caleb Connolly <caleb.connolly@...aro.org>,
Alex Deucher <alexander.deucher@....com>,
Christian König <christian.koenig@....com>,
Jani Nikula <jani.nikula@...ux.intel.com>,
Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
Rodrigo Vivi <rodrigo.vivi@...el.com>,
Tvrtko Ursulin <tursulin@...ulin.net>, Rob Clark <robdclark@...il.com>,
Abhinav Kumar <quic_abhinavk@...cinc.com>, Sean Paul <sean@...rly.run>,
Marijn Suijten <marijn.suijten@...ainline.org>,
Vinod Koul <vkoul@...nel.org>, Caleb Connolly <caleb@...nolly.tech>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
amd-gfx@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org,
linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org
Subject: [PATCH v3 1/3] drm/display: split DSC helpers from DP helpers
Currently the DRM DSC functions are selected by the
DRM_DISPLAY_DP_HELPER Kconfig symbol. This is not optimal, since the DSI
code (both panel and host drivers) end up selecting the seemingly
irrelevant DP helpers. Split the DSC code to be guarded by the separate
DRM_DISPLAY_DSC_HELPER Kconfig symbol.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
---
drivers/gpu/drm/amd/amdgpu/Kconfig | 1 +
drivers/gpu/drm/display/Kconfig | 6 ++++++
drivers/gpu/drm/display/Makefile | 3 ++-
drivers/gpu/drm/i915/Kconfig | 1 +
drivers/gpu/drm/msm/Kconfig | 1 +
drivers/gpu/drm/panel/Kconfig | 4 ++--
6 files changed, 13 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/Kconfig b/drivers/gpu/drm/amd/amdgpu/Kconfig
index 22d88f8ef527..b69d5c4a5367 100644
--- a/drivers/gpu/drm/amd/amdgpu/Kconfig
+++ b/drivers/gpu/drm/amd/amdgpu/Kconfig
@@ -6,6 +6,7 @@ config DRM_AMDGPU
depends on !UML
select FW_LOADER
select DRM_DISPLAY_DP_HELPER
+ select DRM_DISPLAY_DSC_HELPER
select DRM_DISPLAY_HDMI_HELPER
select DRM_DISPLAY_HDCP_HELPER
select DRM_DISPLAY_HELPER
diff --git a/drivers/gpu/drm/display/Kconfig b/drivers/gpu/drm/display/Kconfig
index 864a6488bfdf..f524cf95dec3 100644
--- a/drivers/gpu/drm/display/Kconfig
+++ b/drivers/gpu/drm/display/Kconfig
@@ -59,6 +59,12 @@ config DRM_DISPLAY_DP_TUNNEL_STATE_DEBUG
If in doubt, say "N".
+config DRM_DISPLAY_DSC_HELPER
+ bool
+ depends on DRM_DISPLAY_HELPER
+ help
+ DRM display helpers for VESA DSC (used by DSI and DisplayPort).
+
config DRM_DISPLAY_HDCP_HELPER
bool
depends on DRM_DISPLAY_HELPER
diff --git a/drivers/gpu/drm/display/Makefile b/drivers/gpu/drm/display/Makefile
index 17d2cc73ff56..2ec71e15c3cb 100644
--- a/drivers/gpu/drm/display/Makefile
+++ b/drivers/gpu/drm/display/Makefile
@@ -6,7 +6,8 @@ drm_display_helper-y := drm_display_helper_mod.o
drm_display_helper-$(CONFIG_DRM_DISPLAY_DP_HELPER) += \
drm_dp_dual_mode_helper.o \
drm_dp_helper.o \
- drm_dp_mst_topology.o \
+ drm_dp_mst_topology.o
+drm_display_helper-$(CONFIG_DRM_DISPLAY_DSC_HELPER) += \
drm_dsc_helper.o
drm_display_helper-$(CONFIG_DRM_DISPLAY_DP_TUNNEL) += \
drm_dp_tunnel.o
diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig
index 5932024f8f95..117b84260b1c 100644
--- a/drivers/gpu/drm/i915/Kconfig
+++ b/drivers/gpu/drm/i915/Kconfig
@@ -11,6 +11,7 @@ config DRM_I915
select SHMEM
select TMPFS
select DRM_DISPLAY_DP_HELPER
+ select DRM_DISPLAY_DSC_HELPER
select DRM_DISPLAY_HDCP_HELPER
select DRM_DISPLAY_HDMI_HELPER
select DRM_DISPLAY_HELPER
diff --git a/drivers/gpu/drm/msm/Kconfig b/drivers/gpu/drm/msm/Kconfig
index 1931ecf73e32..6dcd26180611 100644
--- a/drivers/gpu/drm/msm/Kconfig
+++ b/drivers/gpu/drm/msm/Kconfig
@@ -111,6 +111,7 @@ config DRM_MSM_DSI
depends on DRM_MSM
select DRM_PANEL
select DRM_MIPI_DSI
+ select DRM_DISPLAY_DSC_HELPER
default y
help
Choose this option if you have a need for MIPI DSI connector
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index 982324ef5a41..4a2f621433ef 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -547,7 +547,7 @@ config DRM_PANEL_RAYDIUM_RM692E5
depends on OF
depends on DRM_MIPI_DSI
depends on BACKLIGHT_CLASS_DEVICE
- select DRM_DISPLAY_DP_HELPER
+ select DRM_DISPLAY_DSC_HELPER
select DRM_DISPLAY_HELPER
help
Say Y here if you want to enable support for Raydium RM692E5-based
@@ -905,7 +905,7 @@ config DRM_PANEL_VISIONOX_R66451
depends on OF
depends on DRM_MIPI_DSI
depends on BACKLIGHT_CLASS_DEVICE
- select DRM_DISPLAY_DP_HELPER
+ select DRM_DISPLAY_DSC_HELPER
select DRM_DISPLAY_HELPER
help
Say Y here if you want to enable support for Visionox
--
2.39.2
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