dri-devel June 2022

dri-devel@lists.freedesktop.org

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[PATCH v2 0/4] Add PSR support for eDP
by Vinod Polimera 21 Jun '22

21 Jun '22

*** BLURB HERE *** Vinod Polimera (4): drm/msm/dp: Add basic PSR support for eDP drm/bridge: use atomic enable/disable for bridge callbacks drm/msm/disp/dpu1: use atomic enable/disable callbacks for encoder functions drm/msm/disp/dpu1: add PSR support for eDP interface in dpu driver drivers/gpu/drm/bridge/panel.c | 102 ++++++++++++++-- drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 31 ++++- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 40 ++++++- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 2 +- drivers/gpu/drm/msm/dp/dp_catalog.c | 81 +++++++++++++ drivers/gpu/drm/msm/dp/dp_catalog.h | 4 + drivers/gpu/drm/msm/dp/dp_ctrl.c | 63 ++++++++++ drivers/gpu/drm/msm/dp/dp_ctrl.h | 3 + drivers/gpu/drm/msm/dp/dp_display.c | 14 +++ drivers/gpu/drm/msm/dp/dp_display.h | 1 + drivers/gpu/drm/msm/dp/dp_drm.c | 177 +++++++++++++++++++++++++++- drivers/gpu/drm/msm/dp/dp_link.c | 22 ++++ drivers/gpu/drm/msm/dp/dp_panel.c | 21 ++++ drivers/gpu/drm/msm/dp/dp_panel.h | 6 + drivers/gpu/drm/msm/dp/dp_reg.h | 19 +++ drivers/gpu/drm/msm/msm_drv.h | 6 + 16 files changed, 568 insertions(+), 24 deletions(-) -- 2.7.4

7 18

[v1 1/2] drm/msm/disp/dpu1: add dspp support for sc7280
by Kalyan Thota 21 Jun '22

21 Jun '22

Add destination side post processing hw block support in sc7280. This hwblock enablement is necessary to support color features like CT Matix (Ex: Night Light feature) Change-Id: Iba7d5e1693b06cede2891f5b998466070a77c6ef Signed-off-by: Kalyan Thota <quic_kalyant(a)quicinc.com> --- drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c index a4fe77c..021eb2f 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c @@ -928,7 +928,7 @@ static const struct dpu_lm_cfg sm8150_lm[] = { static const struct dpu_lm_cfg sc7280_lm[] = { LM_BLK("lm_0", LM_0, 0x44000, MIXER_SC7180_MASK, - &sc7180_lm_sblk, PINGPONG_0, 0, 0), + &sc7180_lm_sblk, PINGPONG_0, 0, DSPP_0), LM_BLK("lm_2", LM_2, 0x46000, MIXER_SC7180_MASK, &sc7180_lm_sblk, PINGPONG_2, LM_3, 0), LM_BLK("lm_3", LM_3, 0x47000, MIXER_SC7180_MASK, @@ -1792,6 +1792,8 @@ static void sc7280_cfg_init(struct dpu_mdss_cfg *dpu_cfg) .ctl = sc7280_ctl, .sspp_count = ARRAY_SIZE(sc7280_sspp), .sspp = sc7280_sspp, + .dspp_count = ARRAY_SIZE(sc7180_dspp), + .dspp = sc7180_dspp, .mixer_count = ARRAY_SIZE(sc7280_lm), .mixer = sc7280_lm, .pingpong_count = ARRAY_SIZE(sc7280_pp), -- 2.7.4

2 3

[PATCH v4 0/2] Add the property to make backlight OCP level selectable
by cy_huang 21 Jun '22

21 Jun '22

From: ChiYuan Huang <cy_huang(a)richtek.com> This patch series is to add the backlight ocp level property parsing. Since v4 - Fix wrong macro usage, must be 'DIV_ROUND_UP', not 'roundup' Since v3 - Refine the description for backlight ocp property. - Use the enum to list the supported value. Since v2 - change the property name from the register style 'richtek,bled-ocp-cel' to 'richtek,bled-ocp-microamp'. - Use the clamp and roundup to get the ovp level selector. ChiYuan Huang (2): dt-bindings: backlight: rt4831: Add the new ocp level property backlight: rt4831: Apply ocp level from devicetree .../leds/backlight/richtek,rt4831-backlight.yaml | 5 ++++ drivers/video/backlight/rt4831-backlight.c | 33 +++++++++++++++++++++- 2 files changed, 37 insertions(+), 1 deletion(-) -- 2.7.4

1 2

[PATCH 00/14] drm/kms: Stop registering multiple /sys/class/backlight devs for a single display
by Hans de Goede 21 Jun '22

21 Jun '22

Hi All, As mentioned in my RFC titled "drm/kms: control display brightness through drm_connector properties": https://lore.kernel.org/dri-devel/0d188965-d809-81b5-74ce-7d30c49fee2d@redh… The first step towards this is to deal with some existing technical debt in backlight handling on x86/ACPI boards, specifically we need to stop registering multiple /sys/class/backlight devs for a single display. This series implements my RFC describing my plan for these cleanups: https://lore.kernel.org/dri-devel/98519ba0-7f18-201a-ea34-652f50343158@redh… Specifically patches 1-6 implement the "Fixing kms driver unconditionally register their "native" backlight dev" part. And patches 7-14 implement the "Fixing acpi_video0 getting registered for a brief time" time. Note this series does not deal yet with the "Other issues" part, I plan to do a follow up series for that. The changes in this series are good to have regardless of the further "drm/kms: control display brightness through drm_connector properties" plans. So I plan to push these upstream once they are ready (once reviewed). Since this crosses various subsystems / touches multiple kms drivers my plan is to provide an immutable branch based on say 5.19-rc1 and then have that get merged into all the relevant trees. Please review. Regards, Hans Hans de Goede (14): ACPI: video: Add a native function parameter to acpi_video_get_backlight_type() drm/i915: Don't register backlight when another backlight should be used drm/amdgpu: Don't register backlight when another backlight should be used drm/radeon: Don't register backlight when another backlight should be used drm/nouveau: Don't register backlight when another backlight should be used ACPI: video: Drop backlight_device_get_by_type() call from acpi_video_get_backlight_type() ACPI: video: Remove acpi_video_bus from list before tearing it down ACPI: video: Simplify acpi_video_unregister_backlight() ACPI: video: Make backlight class device registration a separate step ACPI: video: Remove code to unregister acpi_video backlight when a native backlight registers drm/i915: Call acpi_video_register_backlight() drm/nouveau: Register ACPI video backlight when nv_backlight registration fails drm/amdgpu: Register ACPI video backlight when skipping amdgpu backlight registration drm/radeon: Register ACPI video backlight when skipping radeon backlight registration drivers/acpi/acpi_video.c | 69 ++++++++++++++----- drivers/acpi/video_detect.c | 53 +++----------- drivers/gpu/drm/Kconfig | 2 + .../gpu/drm/amd/amdgpu/atombios_encoders.c | 14 +++- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 9 +++ .../gpu/drm/i915/display/intel_backlight.c | 7 ++ drivers/gpu/drm/i915/display/intel_display.c | 1 + drivers/gpu/drm/i915/display/intel_opregion.c | 2 +- drivers/gpu/drm/nouveau/nouveau_backlight.c | 14 ++++ drivers/gpu/drm/radeon/atombios_encoders.c | 7 ++ drivers/gpu/drm/radeon/radeon_encoders.c | 11 ++- .../gpu/drm/radeon/radeon_legacy_encoders.c | 7 ++ drivers/platform/x86/acer-wmi.c | 2 +- drivers/platform/x86/asus-laptop.c | 2 +- drivers/platform/x86/asus-wmi.c | 4 +- drivers/platform/x86/compal-laptop.c | 2 +- drivers/platform/x86/dell/dell-laptop.c | 2 +- drivers/platform/x86/eeepc-laptop.c | 2 +- drivers/platform/x86/fujitsu-laptop.c | 4 +- drivers/platform/x86/ideapad-laptop.c | 2 +- drivers/platform/x86/intel/oaktrail.c | 2 +- drivers/platform/x86/msi-laptop.c | 2 +- drivers/platform/x86/msi-wmi.c | 2 +- drivers/platform/x86/samsung-laptop.c | 2 +- drivers/platform/x86/sony-laptop.c | 2 +- drivers/platform/x86/thinkpad_acpi.c | 4 +- drivers/platform/x86/toshiba_acpi.c | 2 +- include/acpi/video.h | 8 ++- 28 files changed, 156 insertions(+), 84 deletions(-) -- 2.36.0

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[PATCH 00/10] small BAR uapi bits
by Matthew Auld 21 Jun '22

21 Jun '22

Test-with: 20220525183702.490989-1-matthew.auld(a)intel.com -- 2.34.3

6 28

[PATCH v12 00/14] drm/mediatek: Add MT8195 dp_intf driver
by Bo-Chen Chen 21 Jun '22

21 Jun '22

The dpi/dpintf driver and the added helper functions are required for the DisplayPort driver to work. This series is separated from [1] which is original from Guillaume. The display port driver is [2]. Changes for v12: 1. Remove pll_gate. 2. Add more detailed commit message. 3. Separate tvd_clk patch and yuv422 output support from add dpintf support patch 4. Remove limit patch and use common driver codes to determine this. Changes for v11: 1. Rename ck_cg to pll_gate. 2. Add some commit message to clarify the modification reason. 3. Fix some driver order and modify for reviewers' comments. [1]:https://lore.kernel.org/all/20220523104758.29531-1-granquet@baylibre.com/ [2]:https://lore.kernel.org/all/20220610105522.13449-1-rex-bc.chen@mediatek.… Bo-Chen Chen (3): drm/mediatek: dpi: Add support for quantization range drm/mediatek: dpi: Add tvd_clk enable/disable flow drm/mediatek: dpi: Add YUV422 output support Guillaume Ranquet (10): drm/mediatek: dpi: implement a CK/DE pol toggle in SoC config drm/mediatek: dpi: implement a swap_input toggle in SoC config drm/mediatek: dpi: move dimension mask to SoC config drm/mediatek: dpi: move hvsize_mask to SoC config drm/mediatek: dpi: move swap_shift to SoC config drm/mediatek: dpi: move the yuv422_en_bit to SoC config drm/mediatek: dpi: move the csc_enable bit to SoC config drm/mediatek: dpi: Add dpintf support drm/mediatek: dpi: Only enable dpi after the bridge is enabled drm/mediatek: dpi: Add matrix_sel helper Markus Schneider-Pargmann (1): dt-bindings: mediatek,dpi: Add DP_INTF compatible .../display/mediatek/mediatek,dpi.yaml | 11 +- drivers/gpu/drm/mediatek/mtk_dpi.c | 248 +++++++++++++++--- drivers/gpu/drm/mediatek/mtk_dpi_regs.h | 16 ++ drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 4 + drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 1 + drivers/gpu/drm/mediatek/mtk_drm_drv.c | 3 + 6 files changed, 235 insertions(+), 48 deletions(-) -- 2.18.0

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[PATCH] drm/xlnx: Fix build failure due to missing include
by Ville Syrjala 21 Jun '22

21 Jun '22

From: Ville Syrjälä <ville.syrjala(a)linux.intel.com> Dropping drm_blend.h from drm_crtc.h broke the xlnx driver. Make it build again by including drm_blend.h from the driver directly. My .config was missing some required dependencies so I never build tested it :/ Cc: Hyun Kwon <hyun.kwon(a)xilinx.com> Cc: Laurent Pinchart <laurent.pinchart(a)ideasonboard.com> Reported-by: Stephen Rothwell <sfr(a)canb.auug.org.au> Fixes: 90bb087f6674 ("drm: Drop drm_blend.h from drm_crtc.h") Signed-off-by: Ville Syrjälä <ville.syrjala(a)linux.intel.com> --- drivers/gpu/drm/xlnx/zynqmp_disp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c index 11c409cbc88e..cc32aa89cf8f 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_disp.c +++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c @@ -12,6 +12,7 @@ #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_atomic_uapi.h> +#include <drm/drm_blend.h> #include <drm/drm_crtc.h> #include <drm/drm_device.h> #include <drm/drm_fb_cma_helper.h> -- 2.35.1

3 2

[PATCH 1/1] drm/panel: panel-simple: Add dev_err_probe if backlight could not be found
by Alexander Stein 21 Jun '22

21 Jun '22

If the backlight node is not enabled, this (silently) returns with -EPROBE_DEFER. /sys/kernel/debug/devices_deferred also shows nothing helpful: $ cat /sys/kernel/debug/devices_deferred display With this patch, there is a helpful hint: $ cat /sys/kernel/debug/devices_deferred display panel-simple: Could not find backlight Signed-off-by: Alexander Stein <alexander.stein(a)ew.tq-group.com> --- drivers/gpu/drm/panel/panel-simple.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 4a2e580a2f7b..8fb1c563c96a 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -663,8 +663,10 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc) drm_panel_init(&panel->base, dev, &panel_simple_funcs, connector_type); err = drm_panel_of_backlight(&panel->base); - if (err) + if (err) { + dev_err_probe(dev, err, "Could not find backlight\n"); goto disable_pm_runtime; + } drm_panel_add(&panel->base); -- 2.25.1

1 0

[PATCH v2 0/4] Add support for GPU load values
by Christian Gmeiner 21 Jun '22

21 Jun '22

This patch series add support for loadavg values for GPU sub-components. I am adding a SMA algorithm as I was not really sure if EWMA would be a good fit for this use case. Changes v2: - Addressed feedback from Lucas Christian Gmeiner (4): drm/etnaviv: add simple moving average (SMA) drm/etnaviv: add loadavg accounting drm/etnaviv: show loadavg in debugfs drm/etnaviv: export loadavg via perfmon drivers/gpu/drm/etnaviv/etnaviv_drv.c | 14 ++++ drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 76 +++++++++++++++++++++- drivers/gpu/drm/etnaviv/etnaviv_gpu.h | 37 +++++++++++ drivers/gpu/drm/etnaviv/etnaviv_perfmon.c | 79 +++++++++++++++++++++++ drivers/gpu/drm/etnaviv/etnaviv_sma.h | 53 +++++++++++++++ 5 files changed, 257 insertions(+), 2 deletions(-) create mode 100644 drivers/gpu/drm/etnaviv/etnaviv_sma.h -- 2.36.1

1 4

[PATCH] video: fbdev: aligned '*' each line
by Jiang Jian 21 Jun '22

21 Jun '22

Consider '*' alignment in comments Signed-off-by: Jiang Jian <jiangjian(a)cdjrlc.com> --- drivers/video/fbdev/omap2/omapfb/dss/hdmi_phy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi_phy.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi_phy.c index 6fbfeb01b315..170463a7e1f4 100644 --- a/drivers/video/fbdev/omap2/omapfb/dss/hdmi_phy.c +++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi_phy.c @@ -143,7 +143,7 @@ int hdmi_phy_configure(struct hdmi_phy_data *phy, unsigned long hfbitclk, /* * In OMAP5+, the HFBITCLK must be divided by 2 before issuing the * HDMI_PHYPWRCMD_LDOON command. - */ + */ if (phy_feat->bist_ctrl) REG_FLD_MOD(phy->base, HDMI_TXPHY_BIST_CONTROL, 1, 11, 11); -- 2.17.1

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dri-devel June 2022