From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Shankar, Uma" Date: Wed, 05 Feb 2020 16:38:24 +0000 Subject: RE: [Intel-gfx] [PATCH v3 07/17] drm: Add logging function for DP VSC SDP Message-Id: List-Id: References: <20200203232014.906651-1-gwan-gyeong.mun@intel.com> <20200203232014.906651-8-gwan-gyeong.mun@intel.com> In-Reply-To: <20200203232014.906651-8-gwan-gyeong.mun@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: "Mun, Gwan-gyeong" , "intel-gfx@lists.freedesktop.org" Cc: "linux-fbdev@vger.kernel.org" , "dri-devel@lists.freedesktop.org" > -----Original Message----- > From: Intel-gfx On Behalf Of Gwan- > gyeong Mun > Sent: Tuesday, February 4, 2020 4:50 AM > To: intel-gfx@lists.freedesktop.org > Cc: linux-fbdev@vger.kernel.org; dri-devel@lists.freedesktop.org > Subject: [Intel-gfx] [PATCH v3 07/17] drm: Add logging function for DP VSC SDP > > When receiving video it is very useful to be able to log DP VSC SDP. > This greatly simplifies debugging. > > v2: Minor style fix > v3: Move logging functions to drm core [Jani N] Looks good to me. Reviewed-by: Uma Shankar > Signed-off-by: Gwan-gyeong Mun > --- > drivers/gpu/drm/drm_dp_helper.c | 174 ++++++++++++++++++++++++++++++++ > include/drm/drm_dp_helper.h | 3 + > 2 files changed, 177 insertions(+) > > diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c > index 5a103e9b3c86..5e3aef8c32e0 100644 > --- a/drivers/gpu/drm/drm_dp_helper.c > +++ b/drivers/gpu/drm/drm_dp_helper.c > @@ -1395,3 +1395,177 @@ int drm_dp_dsc_sink_supported_input_bpcs(const u8 > dsc_dpcd[DP_DSC_RECEIVER_CAP_S > return num_bpc; > } > EXPORT_SYMBOL(drm_dp_dsc_sink_supported_input_bpcs); > + > +static const char *dp_colorspace_get_name(enum dp_colorspace > +colorspace) { > + if (colorspace < 0 || colorspace > DP_COLORSPACE_RESERVED) > + return "Invalid"; > + > + switch (colorspace) { > + case DP_COLORSPACE_RGB: > + return "RGB"; > + case DP_COLORSPACE_YUV444: > + return "YUV444"; > + case DP_COLORSPACE_YUV422: > + return "YUV422"; > + case DP_COLORSPACE_YUV420: > + return "YUV420"; > + case DP_COLORSPACE_Y_ONLY: > + return "Y_ONLY"; > + case DP_COLORSPACE_RAW: > + return "RAW"; > + default: > + return "Reserved"; > + } > +} > + > +static const char *dp_colorimetry_get_name(enum dp_colorspace colorspace, > + enum dp_colorimetry colorimetry) { > + if (colorspace < 0 || colorspace > DP_COLORSPACE_RESERVED) > + return "Invalid"; > + > + switch (colorimetry) { > + case DP_COLORIMETRY_DEFAULT: > + switch (colorspace) { > + case DP_COLORSPACE_RGB: > + return "sRGB"; > + case DP_COLORSPACE_YUV444: > + case DP_COLORSPACE_YUV422: > + case DP_COLORSPACE_YUV420: > + return "BT.601"; > + case DP_COLORSPACE_Y_ONLY: > + return "DICOM PS3.14"; > + case DP_COLORSPACE_RAW: > + return "Custom Color Profile"; > + default: > + return "Reserved"; > + } > + case DP_COLORIMETRY_RGB_WIDE_FIXED: /* and > DP_COLORIMETRY_BT709_YCC */ > + switch (colorspace) { > + case DP_COLORSPACE_RGB: > + return "Wide Fixed"; > + case DP_COLORSPACE_YUV444: > + case DP_COLORSPACE_YUV422: > + case DP_COLORSPACE_YUV420: > + return "BT.709"; > + default: > + return "Reserved"; > + } > + case DP_COLORIMETRY_RGB_WIDE_FLOAT: /* and > DP_COLORIMETRY_XVYCC_601 */ > + switch (colorspace) { > + case DP_COLORSPACE_RGB: > + return "Wide Float"; > + case DP_COLORSPACE_YUV444: > + case DP_COLORSPACE_YUV422: > + case DP_COLORSPACE_YUV420: > + return "xvYCC 601"; > + default: > + return "Reserved"; > + } > + case DP_COLORIMETRY_OPRGB: /* and DP_COLORIMETRY_XVYCC_709 */ > + switch (colorspace) { > + case DP_COLORSPACE_RGB: > + return "OpRGB"; > + case DP_COLORSPACE_YUV444: > + case DP_COLORSPACE_YUV422: > + case DP_COLORSPACE_YUV420: > + return "xvYCC 709"; > + default: > + return "Reserved"; > + } > + case DP_COLORIMETRY_DCI_P3_RGB: /* and DP_COLORIMETRY_SYCC_601 > */ > + switch (colorspace) { > + case DP_COLORSPACE_RGB: > + return "DCI-P3"; > + case DP_COLORSPACE_YUV444: > + case DP_COLORSPACE_YUV422: > + case DP_COLORSPACE_YUV420: > + return "sYCC 601"; > + default: > + return "Reserved"; > + } > + case DP_COLORIMETRY_RGB_CUSTOM: /* and > DP_COLORIMETRY_OPYCC_601 */ > + switch (colorspace) { > + case DP_COLORSPACE_RGB: > + return "Custom Profile"; > + case DP_COLORSPACE_YUV444: > + case DP_COLORSPACE_YUV422: > + case DP_COLORSPACE_YUV420: > + return "OpYCC 601"; > + default: > + return "Reserved"; > + } > + case DP_COLORIMETRY_BT2020_RGB: /* and > DP_COLORIMETRY_BT2020_CYCC */ > + switch (colorspace) { > + case DP_COLORSPACE_RGB: > + return "BT.2020 RGB"; > + case DP_COLORSPACE_YUV444: > + case DP_COLORSPACE_YUV422: > + case DP_COLORSPACE_YUV420: > + return "BT.2020 CYCC"; > + default: > + return "Reserved"; > + } > + case DP_COLORIMETRY_BT2020_YCC: > + switch (colorspace) { > + case DP_COLORSPACE_YUV444: > + case DP_COLORSPACE_YUV422: > + case DP_COLORSPACE_YUV420: > + return "BT.2020 YCC"; > + default: > + return "Reserved"; > + } > + default: > + return "Invalid"; > + } > +} > + > +static const char *dp_dynamic_range_get_name(enum dp_dynamic_range > +dynamic_range) { > + switch (dynamic_range) { > + case DP_DYNAMIC_RANGE_VESA: > + return "VESA range"; > + case DP_DYNAMIC_RANGE_CTA: > + return "CTA range"; > + default: > + return "Invalid"; > + } > +} > + > +static const char *dp_content_type_get_name(enum dp_content_type > +content_type) { > + switch (content_type) { > + case DP_CONTENT_TYPE_NOT_DEFINED: > + return "Not defined"; > + case DP_CONTENT_TYPE_GRAPHICS: > + return "Graphics"; > + case DP_CONTENT_TYPE_PHOTO: > + return "Photo"; > + case DP_CONTENT_TYPE_VIDEO: > + return "Video"; > + case DP_CONTENT_TYPE_GAME: > + return "Game"; > + default: > + return "Reserved"; > + } > +} > + > +void drm_dp_vsc_sdp_log(const char *level, struct device *dev, > + const struct drm_dp_vsc_sdp *vsc) > +{ > +#define DP_SDP_LOG(fmt, ...) dev_printk(level, dev, fmt, ##__VA_ARGS__) > + DP_SDP_LOG("DP SDP: %s, revision %u, length %u\n", "VSC", > + vsc->revision, vsc->length); > + DP_SDP_LOG(" colorspace: %s\n", > + dp_colorspace_get_name(vsc->colorspace)); > + DP_SDP_LOG(" colorimetry: %s\n", > + dp_colorimetry_get_name(vsc->colorspace, vsc->colorimetry)); > + DP_SDP_LOG(" bpc: %u\n", vsc->bpc); > + DP_SDP_LOG(" dynamic range: %s\n", > + dp_dynamic_range_get_name(vsc->dynamic_range)); > + DP_SDP_LOG(" content type: %s\n", > + dp_content_type_get_name(vsc->content_type)); > +#undef DP_SDP_LOG > +} > +EXPORT_SYMBOL(drm_dp_vsc_sdp_log); > diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index > c098727681fa..00b775df6241 100644 > --- a/include/drm/drm_dp_helper.h > +++ b/include/drm/drm_dp_helper.h > @@ -1266,6 +1266,9 @@ struct drm_dp_vsc_sdp { > enum dp_content_type content_type; > }; > > +void drm_dp_vsc_sdp_log(const char *level, struct device *dev, > + const struct drm_dp_vsc_sdp *vsc); > + > int drm_dp_psr_setup_time(const u8 psr_cap[EDP_PSR_RECEIVER_CAP_SIZE]); > > static inline int > -- > 2.24.1 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/intel-gfx