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Select this symbol to make required functions available to the driver. Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202404200800.kYsRYyli-lkp@intel.com/ Fixes: 069a6c0e94f9 ("drm: panel: Add LG sw43408 panel driver") Reviewed-by: Neil Armstrong Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/panel/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index 982324ef5a41..2ae0eb0638f3 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -340,6 +340,8 @@ config DRM_PANEL_LG_SW43408 depends on OF depends on DRM_MIPI_DSI depends on BACKLIGHT_CLASS_DEVICE + select DRM_DISPLAY_DP_HELPER + select DRM_DISPLAY_HELPER help Say Y here if you want to enable support for LG sw43408 panel. 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Tue, 28 May 2024 12:39:21 -0700 (PDT) From: Dmitry Baryshkov Date: Tue, 28 May 2024 22:39:19 +0300 Subject: [PATCH v4 2/3] drm/panel/lg-sw43408: mark sw43408_backlight_ops as static Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240528-panel-sw43408-fix-v4-2-330b42445bcc@linaro.org> References: <20240528-panel-sw43408-fix-v4-0-330b42445bcc@linaro.org> In-Reply-To: <20240528-panel-sw43408-fix-v4-0-330b42445bcc@linaro.org> To: Neil Armstrong , Jessica Zhang , Sam Ravnborg , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Sumit Semwal , Caleb Connolly , Alex Deucher , =?utf-8?q?Christian_K=C3=B6nig?= , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , Rob Clark , Abhinav Kumar , Sean Paul , Marijn Suijten , Vinod Koul , Caleb Connolly Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, kernel test robot X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; 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Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202404200739.hbWZvOhR-lkp@intel.com/ Reviewed-by: Neil Armstrong Fixes: 069a6c0e94f9 ("drm: panel: Add LG sw43408 panel driver") Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/panel/panel-lg-sw43408.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panel/panel-lg-sw43408.c b/drivers/gpu/drm/panel/panel-lg-sw43408.c index 115f4702d59f..2b3a73696dce 100644 --- a/drivers/gpu/drm/panel/panel-lg-sw43408.c +++ b/drivers/gpu/drm/panel/panel-lg-sw43408.c @@ -182,7 +182,7 @@ static int sw43408_backlight_update_status(struct backlight_device *bl) return mipi_dsi_dcs_set_display_brightness_large(dsi, brightness); } -const struct backlight_ops sw43408_backlight_ops = { +static const struct backlight_ops sw43408_backlight_ops = { .update_status = sw43408_backlight_update_status, }; From patchwork Tue May 28 19:39:20 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 799982 Received: from mail-lj1-f182.google.com (mail-lj1-f182.google.com [209.85.208.182]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 89964176FAE for ; 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Tue, 28 May 2024 12:39:22 -0700 (PDT) Received: from umbar.lan ([192.130.178.91]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-529711f96c9sm1045234e87.245.2024.05.28.12.39.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 May 2024 12:39:22 -0700 (PDT) From: Dmitry Baryshkov Date: Tue, 28 May 2024 22:39:20 +0300 Subject: [PATCH v4 3/3] drm/display: split DSC helpers from DP helpers Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240528-panel-sw43408-fix-v4-3-330b42445bcc@linaro.org> References: <20240528-panel-sw43408-fix-v4-0-330b42445bcc@linaro.org> In-Reply-To: <20240528-panel-sw43408-fix-v4-0-330b42445bcc@linaro.org> To: Neil Armstrong , Jessica Zhang , Sam Ravnborg , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Sumit Semwal , Caleb Connolly , Alex Deucher , =?utf-8?q?Christian_K=C3=B6nig?= , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , Rob Clark , Abhinav Kumar , Sean Paul , Marijn Suijten , Vinod Koul , Caleb Connolly Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=4246; i=dmitry.baryshkov@linaro.org; h=from:subject:message-id; bh=++B7C+LJPjhNPbyQwixveMzfLgpLwRSPYkfF+FF6az0=; b=owGbwMvMwMXYbdNlx6SpcZXxtFoSQ1qY0fPHnO5xiWeEW+I+fDaU8Na0PvviwqHK8n3TTG7K+ VmWdYp1MhqzMDByMciKKbL4FLRMjdmUHPZhx9R6mEGsTCBTGLg4BWAiyoIcDHNiYj7J+75/vG5v yAX1ddUtC3avmR0c/0zV/vPzSr+r+VxSi9k6v3dXzX2WaXYlw67ZzmZpd5Ok2xuNUo8XJkGG+sF 6/qZv/luu2m0eX5bR1DFhcgHDe+OT+4rrp2TwTexMs6oTOFjo7cFbrXqC5ZzN2kM+iyQ3Tl25Pf r5GymFiea9b52273zBsnhj1EquOrlzLF0a74RuS5smXUnpDShefPJ6zfkHbzMmRTNc3r7IVccmg TP7IrdrX0rg1+rVp0v8Lvkqc7imMz19Hc7uwsrvvXDnYbulvJeC2Lc6tO/+FfD0tn+euf0EcUmN c/O+cJ97M1FMqy735ImQFslQ47otxb/Xii28zW1lNZcDAA== X-Developer-Key: i=dmitry.baryshkov@linaro.org; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A 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. Reviewed-by: Jessica Zhang Signed-off-by: Dmitry Baryshkov --- 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 | 6 +++--- 6 files changed, 14 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/Kconfig b/drivers/gpu/drm/amd/amdgpu/Kconfig index 4232ab27f990..5933ca8c6b96 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 2ae0eb0638f3..3e3f63479544 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -340,7 +340,7 @@ config DRM_PANEL_LG_SW43408 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 LG sw43408 panel. @@ -549,7 +549,7 @@ 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 @@ -907,7 +907,7 @@ 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