| Message ID | 1674498274-6010-5-git-send-email-quic_khsieh@quicinc.com |
|---|---|
| State | New |
| Headers | show |
| Series | add display port DSC feature | expand |
On 23/01/2023 20:24, Kuogee Hsieh wrote: > MSA MISC0 bit 1 to 7 contains Colorimetry Indicator Field. At current > implementation, Colorimetry Indicator Field of MISC0 is not configured > correctly. This patch add support of RGB formats Colorimetry. Any Fixes tag? Not to mention that fixes should come first. > > Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com> > --- > drivers/gpu/drm/msm/dp/dp_ctrl.c | 5 +++-- > drivers/gpu/drm/msm/dp/dp_link.c | 29 +++++++++++++++++++------ > drivers/gpu/drm/msm/dp/dp_panel.c | 45 +++++++++++++++++++++++++++++++++++++++ > drivers/gpu/drm/msm/dp/dp_panel.h | 1 + > 4 files changed, 71 insertions(+), 9 deletions(-) > > diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c > index 959a78c..d0d1848 100644 > --- a/drivers/gpu/drm/msm/dp/dp_ctrl.c > +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c > @@ -1,6 +1,7 @@ > // SPDX-License-Identifier: GPL-2.0-only > /* > - * Copyright (c) 2012-2020, The Linux Foundation. All rights reserved. > + * Copyright (c) 2012-2023, The Linux Foundation. All rights reserved. > + * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved > */ > > #define pr_fmt(fmt) "[drm-dp] %s: " fmt, __func__ > @@ -169,7 +170,7 @@ static void dp_ctrl_configure_source_params(struct dp_ctrl_private *ctrl) > > tb = dp_link_get_test_bits_depth(ctrl->link, > ctrl->panel->dp_mode.bpp); > - cc = dp_link_get_colorimetry_config(ctrl->link); > + cc = dp_panel_get_misc_colorimetry_val(ctrl->panel); > dp_catalog_ctrl_config_misc(ctrl->catalog, cc, tb); > dp_panel_timing_cfg(ctrl->panel); > } > diff --git a/drivers/gpu/drm/msm/dp/dp_link.c b/drivers/gpu/drm/msm/dp/dp_link.c > index f1f1d64..e957948 100644 > --- a/drivers/gpu/drm/msm/dp/dp_link.c > +++ b/drivers/gpu/drm/msm/dp/dp_link.c > @@ -1,6 +1,7 @@ > // SPDX-License-Identifier: GPL-2.0-only > /* > - * Copyright (c) 2012-2020, The Linux Foundation. All rights reserved. > + * Copyright (c) 2012-2023, The Linux Foundation. All rights reserved. > + * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved > */ > > #define pr_fmt(fmt) "[drm-dp] %s: " fmt, __func__ > @@ -12,6 +13,12 @@ > > #define DP_TEST_REQUEST_MASK 0x7F > > +enum dynamic_range { > + DP_DYNAMIC_RANGE_RGB_VESA = 0x00, > + DP_DYNAMIC_RANGE_RGB_CEA = 0x01, > + DP_DYNAMIC_RANGE_UNKNOWN = 0xFFFFFFFF, No need to assign values here, unless they serve some purpose. Do they? > +}; > + > enum audio_sample_rate { > AUDIO_SAMPLE_RATE_32_KHZ = 0x00, > AUDIO_SAMPLE_RATE_44_1_KHZ = 0x01, > @@ -1079,6 +1086,7 @@ int dp_link_process_request(struct dp_link *dp_link) > int dp_link_get_colorimetry_config(struct dp_link *dp_link) > { > u32 cc; > + enum dynamic_range dr; > struct dp_link_private *link; > > if (!dp_link) { > @@ -1088,14 +1096,21 @@ int dp_link_get_colorimetry_config(struct dp_link *dp_link) > > link = container_of(dp_link, struct dp_link_private, dp_link); > > - /* > - * Unless a video pattern CTS test is ongoing, use RGB_VESA > - * Only RGB_VESA and RGB_CEA supported for now > - */ > + /* unless a video pattern CTS test is ongoing, use CEA_VESA */ > if (dp_link_is_video_pattern_requested(link)) > - cc = link->dp_link.test_video.test_dyn_range; > + dr = link->dp_link.test_video.test_dyn_range; > else > - cc = DP_TEST_DYNAMIC_RANGE_VESA; > + dr = DP_DYNAMIC_RANGE_RGB_VESA; > + > + /* Only RGB_VESA nd RGB_CEA supported for now */ > + switch (dr) { > + case DP_DYNAMIC_RANGE_RGB_CEA: > + cc = BIT(2); > + break; > + case DP_DYNAMIC_RANGE_RGB_VESA: > + default: > + cc = 0; > + } > > return cc; > } > diff --git a/drivers/gpu/drm/msm/dp/dp_panel.c b/drivers/gpu/drm/msm/dp/dp_panel.c > index 36dad05..55bb6b0 100644 > --- a/drivers/gpu/drm/msm/dp/dp_panel.c > +++ b/drivers/gpu/drm/msm/dp/dp_panel.c > @@ -567,6 +567,51 @@ int dp_panel_init_panel_info(struct dp_panel *dp_panel) > return 0; > } > > +/** This marks the start of kerneldoc. But the rest of the comment isn't a kerneldoc. > + * Mapper function which outputs colorimetry to be used for a > + * given colorspace value when misc field of MSA is used to > + * change the colorimetry. Currently only RGB formats have been > + * added. This API will be extended to YUV once its supported on DP. its != it's > + */ > +u8 dp_panel_get_misc_colorimetry_val(struct dp_panel *dp_panel) > +{ > + u8 colorimetry; > + u32 colorspace; > + u32 cc; > + struct dp_panel_private *panel; > + > + panel = container_of(dp_panel, struct dp_panel_private, dp_panel); > + > + cc = dp_link_get_colorimetry_config(panel->link); > + /* > + * If there is a non-zero value then compliance test-case > + * is going on, otherwise we can honor the colorspace setting > + */ > + if (cc) > + return cc; > + > + colorspace = dp_panel->connector->state->colorspace; > + switch (colorspace) { > + case DRM_MODE_COLORIMETRY_DCI_P3_RGB_D65: > + case DRM_MODE_COLORIMETRY_DCI_P3_RGB_THEATER: > + colorimetry = 0x7; > + break; > + case DRM_MODE_COLORIMETRY_RGB_WIDE_FIXED: > + colorimetry = 0x3; > + break; > + case DRM_MODE_COLORIMETRY_RGB_WIDE_FLOAT: > + colorimetry = 0xb; > + break; > + case DRM_MODE_COLORIMETRY_OPRGB: > + colorimetry = 0xc; > + break; > + default: > + colorimetry = 0; > + } > + > + return colorimetry; > +} > + > struct dp_panel *dp_panel_get(struct dp_panel_in *in) > { > struct dp_panel_private *panel; > diff --git a/drivers/gpu/drm/msm/dp/dp_panel.h b/drivers/gpu/drm/msm/dp/dp_panel.h > index fb30b92..1153e88 100644 > --- a/drivers/gpu/drm/msm/dp/dp_panel.h > +++ b/drivers/gpu/drm/msm/dp/dp_panel.h > @@ -85,6 +85,7 @@ int dp_panel_get_modes(struct dp_panel *dp_panel, > struct drm_connector *connector); > void dp_panel_handle_sink_request(struct dp_panel *dp_panel); > void dp_panel_tpg_config(struct dp_panel *dp_panel, bool enable); > +u8 dp_panel_get_misc_colorimetry_val(struct dp_panel *dp_panel); > > /** > * is_link_rate_valid() - validates the link rate
Hi Kuogee,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on next-20230123]
[also build test WARNING on linus/master v6.2-rc5]
[cannot apply to drm-misc/drm-misc-next drm/drm-next drm-exynos/exynos-drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-tip/drm-tip v6.2-rc5 v6.2-rc4 v6.2-rc3]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Kuogee-Hsieh/drm-msm-dp-add-dpcd-read-of-both-dsc-and-fec-capability/20230124-022759
patch link: https://lore.kernel.org/r/1674498274-6010-5-git-send-email-quic_khsieh%40quicinc.com
patch subject: [PATCH v1 04/14] drm/msm/dp: correct configure Colorimetry Indicator Field at MISC0
config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230124/202301240836.ik3aytbc-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/834f569a141af42cb93424c24e7d146f3b88405b
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Kuogee-Hsieh/drm-msm-dp-add-dpcd-read-of-both-dsc-and-fec-capability/20230124-022759
git checkout 834f569a141af42cb93424c24e7d146f3b88405b
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash drivers/gpu/drm/msm/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/msm/dp/dp_panel.c:571: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Mapper function which outputs colorimetry to be used for a
vim +571 drivers/gpu/drm/msm/dp/dp_panel.c
569
570 /**
> 571 * Mapper function which outputs colorimetry to be used for a
572 * given colorspace value when misc field of MSA is used to
573 * change the colorimetry. Currently only RGB formats have been
574 * added. This API will be extended to YUV once its supported on DP.
575 */
576 u8 dp_panel_get_misc_colorimetry_val(struct dp_panel *dp_panel)
577 {
578 u8 colorimetry;
579 u32 colorspace;
580 u32 cc;
581 struct dp_panel_private *panel;
582
583 panel = container_of(dp_panel, struct dp_panel_private, dp_panel);
584
585 cc = dp_link_get_colorimetry_config(panel->link);
586 /*
587 * If there is a non-zero value then compliance test-case
588 * is going on, otherwise we can honor the colorspace setting
589 */
590 if (cc)
591 return cc;
592
593 colorspace = dp_panel->connector->state->colorspace;
594 switch (colorspace) {
595 case DRM_MODE_COLORIMETRY_DCI_P3_RGB_D65:
596 case DRM_MODE_COLORIMETRY_DCI_P3_RGB_THEATER:
597 colorimetry = 0x7;
598 break;
599 case DRM_MODE_COLORIMETRY_RGB_WIDE_FIXED:
600 colorimetry = 0x3;
601 break;
602 case DRM_MODE_COLORIMETRY_RGB_WIDE_FLOAT:
603 colorimetry = 0xb;
604 break;
605 case DRM_MODE_COLORIMETRY_OPRGB:
606 colorimetry = 0xc;
607 break;
608 default:
609 colorimetry = 0;
610 }
611
612 return colorimetry;
613 }
614
diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c index 959a78c..d0d1848 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.c +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * Copyright (c) 2012-2020, The Linux Foundation. All rights reserved. + * Copyright (c) 2012-2023, The Linux Foundation. All rights reserved. + * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved */ #define pr_fmt(fmt) "[drm-dp] %s: " fmt, __func__ @@ -169,7 +170,7 @@ static void dp_ctrl_configure_source_params(struct dp_ctrl_private *ctrl) tb = dp_link_get_test_bits_depth(ctrl->link, ctrl->panel->dp_mode.bpp); - cc = dp_link_get_colorimetry_config(ctrl->link); + cc = dp_panel_get_misc_colorimetry_val(ctrl->panel); dp_catalog_ctrl_config_misc(ctrl->catalog, cc, tb); dp_panel_timing_cfg(ctrl->panel); } diff --git a/drivers/gpu/drm/msm/dp/dp_link.c b/drivers/gpu/drm/msm/dp/dp_link.c index f1f1d64..e957948 100644 --- a/drivers/gpu/drm/msm/dp/dp_link.c +++ b/drivers/gpu/drm/msm/dp/dp_link.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * Copyright (c) 2012-2020, The Linux Foundation. All rights reserved. + * Copyright (c) 2012-2023, The Linux Foundation. All rights reserved. + * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved */ #define pr_fmt(fmt) "[drm-dp] %s: " fmt, __func__ @@ -12,6 +13,12 @@ #define DP_TEST_REQUEST_MASK 0x7F +enum dynamic_range { + DP_DYNAMIC_RANGE_RGB_VESA = 0x00, + DP_DYNAMIC_RANGE_RGB_CEA = 0x01, + DP_DYNAMIC_RANGE_UNKNOWN = 0xFFFFFFFF, +}; + enum audio_sample_rate { AUDIO_SAMPLE_RATE_32_KHZ = 0x00, AUDIO_SAMPLE_RATE_44_1_KHZ = 0x01, @@ -1079,6 +1086,7 @@ int dp_link_process_request(struct dp_link *dp_link) int dp_link_get_colorimetry_config(struct dp_link *dp_link) { u32 cc; + enum dynamic_range dr; struct dp_link_private *link; if (!dp_link) { @@ -1088,14 +1096,21 @@ int dp_link_get_colorimetry_config(struct dp_link *dp_link) link = container_of(dp_link, struct dp_link_private, dp_link); - /* - * Unless a video pattern CTS test is ongoing, use RGB_VESA - * Only RGB_VESA and RGB_CEA supported for now - */ + /* unless a video pattern CTS test is ongoing, use CEA_VESA */ if (dp_link_is_video_pattern_requested(link)) - cc = link->dp_link.test_video.test_dyn_range; + dr = link->dp_link.test_video.test_dyn_range; else - cc = DP_TEST_DYNAMIC_RANGE_VESA; + dr = DP_DYNAMIC_RANGE_RGB_VESA; + + /* Only RGB_VESA nd RGB_CEA supported for now */ + switch (dr) { + case DP_DYNAMIC_RANGE_RGB_CEA: + cc = BIT(2); + break; + case DP_DYNAMIC_RANGE_RGB_VESA: + default: + cc = 0; + } return cc; } diff --git a/drivers/gpu/drm/msm/dp/dp_panel.c b/drivers/gpu/drm/msm/dp/dp_panel.c index 36dad05..55bb6b0 100644 --- a/drivers/gpu/drm/msm/dp/dp_panel.c +++ b/drivers/gpu/drm/msm/dp/dp_panel.c @@ -567,6 +567,51 @@ int dp_panel_init_panel_info(struct dp_panel *dp_panel) return 0; } +/** + * Mapper function which outputs colorimetry to be used for a + * given colorspace value when misc field of MSA is used to + * change the colorimetry. Currently only RGB formats have been + * added. This API will be extended to YUV once its supported on DP. + */ +u8 dp_panel_get_misc_colorimetry_val(struct dp_panel *dp_panel) +{ + u8 colorimetry; + u32 colorspace; + u32 cc; + struct dp_panel_private *panel; + + panel = container_of(dp_panel, struct dp_panel_private, dp_panel); + + cc = dp_link_get_colorimetry_config(panel->link); + /* + * If there is a non-zero value then compliance test-case + * is going on, otherwise we can honor the colorspace setting + */ + if (cc) + return cc; + + colorspace = dp_panel->connector->state->colorspace; + switch (colorspace) { + case DRM_MODE_COLORIMETRY_DCI_P3_RGB_D65: + case DRM_MODE_COLORIMETRY_DCI_P3_RGB_THEATER: + colorimetry = 0x7; + break; + case DRM_MODE_COLORIMETRY_RGB_WIDE_FIXED: + colorimetry = 0x3; + break; + case DRM_MODE_COLORIMETRY_RGB_WIDE_FLOAT: + colorimetry = 0xb; + break; + case DRM_MODE_COLORIMETRY_OPRGB: + colorimetry = 0xc; + break; + default: + colorimetry = 0; + } + + return colorimetry; +} + struct dp_panel *dp_panel_get(struct dp_panel_in *in) { struct dp_panel_private *panel; diff --git a/drivers/gpu/drm/msm/dp/dp_panel.h b/drivers/gpu/drm/msm/dp/dp_panel.h index fb30b92..1153e88 100644 --- a/drivers/gpu/drm/msm/dp/dp_panel.h +++ b/drivers/gpu/drm/msm/dp/dp_panel.h @@ -85,6 +85,7 @@ int dp_panel_get_modes(struct dp_panel *dp_panel, struct drm_connector *connector); void dp_panel_handle_sink_request(struct dp_panel *dp_panel); void dp_panel_tpg_config(struct dp_panel *dp_panel, bool enable); +u8 dp_panel_get_misc_colorimetry_val(struct dp_panel *dp_panel); /** * is_link_rate_valid() - validates the link rate
MSA MISC0 bit 1 to 7 contains Colorimetry Indicator Field. At current implementation, Colorimetry Indicator Field of MISC0 is not configured correctly. This patch add support of RGB formats Colorimetry. Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com> --- drivers/gpu/drm/msm/dp/dp_ctrl.c | 5 +++-- drivers/gpu/drm/msm/dp/dp_link.c | 29 +++++++++++++++++++------ drivers/gpu/drm/msm/dp/dp_panel.c | 45 +++++++++++++++++++++++++++++++++++++++ drivers/gpu/drm/msm/dp/dp_panel.h | 1 + 4 files changed, 71 insertions(+), 9 deletions(-)