[PATCH 03/18] drm/bridge: dw-hdmi: Use helpers

Thomas Zimmermann tzimmermann at suse.de
Fri Apr 9 08:05:48 UTC 2021


There was some objection in patch 2, but at least this conversion patch 
looks good.

Acked-by: Thomas Zimmremann <tzimmermann at suse.de>

Am 17.03.21 um 16:43 schrieb Maxime Ripard:
> Signed-off-by: Maxime Ripard <maxime at cerno.tech>
> ---
>   drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 141 +++++-----------------
>   1 file changed, 28 insertions(+), 113 deletions(-)
> 
> diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> index d010c9c525d9..39b380453183 100644
> --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> @@ -29,6 +29,7 @@
>   #include <drm/drm_atomic_helper.h>
>   #include <drm/drm_bridge.h>
>   #include <drm/drm_edid.h>
> +#include <drm/drm_hdmi.h>
>   #include <drm/drm_of.h>
>   #include <drm/drm_print.h>
>   #include <drm/drm_probe_helper.h>
> @@ -801,92 +802,6 @@ void dw_hdmi_audio_disable(struct dw_hdmi *hdmi)
>   }
>   EXPORT_SYMBOL_GPL(dw_hdmi_audio_disable);
>   
> -static bool hdmi_bus_fmt_is_rgb(unsigned int bus_format)
> -{
> -	switch (bus_format) {
> -	case MEDIA_BUS_FMT_RGB888_1X24:
> -	case MEDIA_BUS_FMT_RGB101010_1X30:
> -	case MEDIA_BUS_FMT_RGB121212_1X36:
> -	case MEDIA_BUS_FMT_RGB161616_1X48:
> -		return true;
> -
> -	default:
> -		return false;
> -	}
> -}
> -
> -static bool hdmi_bus_fmt_is_yuv444(unsigned int bus_format)
> -{
> -	switch (bus_format) {
> -	case MEDIA_BUS_FMT_YUV8_1X24:
> -	case MEDIA_BUS_FMT_YUV10_1X30:
> -	case MEDIA_BUS_FMT_YUV12_1X36:
> -	case MEDIA_BUS_FMT_YUV16_1X48:
> -		return true;
> -
> -	default:
> -		return false;
> -	}
> -}
> -
> -static bool hdmi_bus_fmt_is_yuv422(unsigned int bus_format)
> -{
> -	switch (bus_format) {
> -	case MEDIA_BUS_FMT_UYVY8_1X16:
> -	case MEDIA_BUS_FMT_UYVY10_1X20:
> -	case MEDIA_BUS_FMT_UYVY12_1X24:
> -		return true;
> -
> -	default:
> -		return false;
> -	}
> -}
> -
> -static bool hdmi_bus_fmt_is_yuv420(unsigned int bus_format)
> -{
> -	switch (bus_format) {
> -	case MEDIA_BUS_FMT_UYYVYY8_0_5X24:
> -	case MEDIA_BUS_FMT_UYYVYY10_0_5X30:
> -	case MEDIA_BUS_FMT_UYYVYY12_0_5X36:
> -	case MEDIA_BUS_FMT_UYYVYY16_0_5X48:
> -		return true;
> -
> -	default:
> -		return false;
> -	}
> -}
> -
> -static int hdmi_bus_fmt_color_depth(unsigned int bus_format)
> -{
> -	switch (bus_format) {
> -	case MEDIA_BUS_FMT_RGB888_1X24:
> -	case MEDIA_BUS_FMT_YUV8_1X24:
> -	case MEDIA_BUS_FMT_UYVY8_1X16:
> -	case MEDIA_BUS_FMT_UYYVYY8_0_5X24:
> -		return 8;
> -
> -	case MEDIA_BUS_FMT_RGB101010_1X30:
> -	case MEDIA_BUS_FMT_YUV10_1X30:
> -	case MEDIA_BUS_FMT_UYVY10_1X20:
> -	case MEDIA_BUS_FMT_UYYVYY10_0_5X30:
> -		return 10;
> -
> -	case MEDIA_BUS_FMT_RGB121212_1X36:
> -	case MEDIA_BUS_FMT_YUV12_1X36:
> -	case MEDIA_BUS_FMT_UYVY12_1X24:
> -	case MEDIA_BUS_FMT_UYYVYY12_0_5X36:
> -		return 12;
> -
> -	case MEDIA_BUS_FMT_RGB161616_1X48:
> -	case MEDIA_BUS_FMT_YUV16_1X48:
> -	case MEDIA_BUS_FMT_UYYVYY16_0_5X48:
> -		return 16;
> -
> -	default:
> -		return 0;
> -	}
> -}
> -
>   /*
>    * this submodule is responsible for the video data synchronization.
>    * for example, for RGB 4:4:4 input, the data map is defined as
> @@ -967,8 +882,8 @@ static int is_color_space_conversion(struct dw_hdmi *hdmi)
>   	struct hdmi_data_info *hdmi_data = &hdmi->hdmi_data;
>   	bool is_input_rgb, is_output_rgb;
>   
> -	is_input_rgb = hdmi_bus_fmt_is_rgb(hdmi_data->enc_in_bus_format);
> -	is_output_rgb = hdmi_bus_fmt_is_rgb(hdmi_data->enc_out_bus_format);
> +	is_input_rgb = drm_hdmi_bus_fmt_is_rgb(hdmi_data->enc_in_bus_format);
> +	is_output_rgb = drm_hdmi_bus_fmt_is_rgb(hdmi_data->enc_out_bus_format);
>   
>   	return (is_input_rgb != is_output_rgb) ||
>   	       (is_input_rgb && is_output_rgb && hdmi_data->rgb_limited_range);
> @@ -976,11 +891,11 @@ static int is_color_space_conversion(struct dw_hdmi *hdmi)
>   
>   static int is_color_space_decimation(struct dw_hdmi *hdmi)
>   {
> -	if (!hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format))
> +	if (!drm_hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format))
>   		return 0;
>   
> -	if (hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_in_bus_format) ||
> -	    hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_in_bus_format))
> +	if (drm_hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_in_bus_format) ||
> +	    drm_hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_in_bus_format))
>   		return 1;
>   
>   	return 0;
> @@ -988,11 +903,11 @@ static int is_color_space_decimation(struct dw_hdmi *hdmi)
>   
>   static int is_color_space_interpolation(struct dw_hdmi *hdmi)
>   {
> -	if (!hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_in_bus_format))
> +	if (!drm_hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_in_bus_format))
>   		return 0;
>   
> -	if (hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format) ||
> -	    hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_out_bus_format))
> +	if (drm_hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format) ||
> +	    drm_hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_out_bus_format))
>   		return 1;
>   
>   	return 0;
> @@ -1012,8 +927,8 @@ static void dw_hdmi_update_csc_coeffs(struct dw_hdmi *hdmi)
>   	unsigned i;
>   	u32 csc_scale = 1;
>   
> -	is_input_rgb = hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_in_bus_format);
> -	is_output_rgb = hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format);
> +	is_input_rgb = drm_hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_in_bus_format);
> +	is_output_rgb = drm_hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format);
>   
>   	if (!is_input_rgb && is_output_rgb) {
>   		if (hdmi->hdmi_data.enc_out_encoding == V4L2_YCBCR_ENC_601)
> @@ -1061,7 +976,7 @@ static void hdmi_video_csc(struct dw_hdmi *hdmi)
>   	else if (is_color_space_decimation(hdmi))
>   		decimation = HDMI_CSC_CFG_DECMODE_CHROMA_INT_FORMULA3;
>   
> -	switch (hdmi_bus_fmt_color_depth(hdmi->hdmi_data.enc_out_bus_format)) {
> +	switch (drm_hdmi_bus_fmt_color_depth(hdmi->hdmi_data.enc_out_bus_format)) {
>   	case 8:
>   		color_depth = HDMI_CSC_SCALE_CSC_COLORDE_PTH_24BPP;
>   		break;
> @@ -1100,10 +1015,10 @@ static void hdmi_video_packetize(struct dw_hdmi *hdmi)
>   	struct hdmi_data_info *hdmi_data = &hdmi->hdmi_data;
>   	u8 val, vp_conf;
>   
> -	if (hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format) ||
> -	    hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_out_bus_format) ||
> -	    hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format)) {
> -		switch (hdmi_bus_fmt_color_depth(
> +	if (drm_hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format) ||
> +	    drm_hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_out_bus_format) ||
> +	    drm_hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format)) {
> +		switch (drm_hdmi_bus_fmt_color_depth(
>   					hdmi->hdmi_data.enc_out_bus_format)) {
>   		case 8:
>   			color_depth = 4;
> @@ -1121,8 +1036,8 @@ static void hdmi_video_packetize(struct dw_hdmi *hdmi)
>   		default:
>   			output_select = HDMI_VP_CONF_OUTPUT_SELECTOR_BYPASS;
>   		}
> -	} else if (hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format)) {
> -		switch (hdmi_bus_fmt_color_depth(
> +	} else if (drm_hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format)) {
> +		switch (drm_hdmi_bus_fmt_color_depth(
>   					hdmi->hdmi_data.enc_out_bus_format)) {
>   		case 0:
>   		case 8:
> @@ -1641,7 +1556,7 @@ static void hdmi_config_AVI(struct dw_hdmi *hdmi,
>   	/* Initialise info frame from DRM mode */
>   	drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
>   
> -	if (hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format)) {
> +	if (drm_hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format)) {
>   		drm_hdmi_avi_infoframe_quant_range(&frame, connector, mode,
>   						   hdmi->hdmi_data.rgb_limited_range ?
>   						   HDMI_QUANTIZATION_RANGE_LIMITED :
> @@ -1652,17 +1567,17 @@ static void hdmi_config_AVI(struct dw_hdmi *hdmi,
>   			HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
>   	}
>   
> -	if (hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_out_bus_format))
> +	if (drm_hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_out_bus_format))
>   		frame.colorspace = HDMI_COLORSPACE_YUV444;
> -	else if (hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format))
> +	else if (drm_hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format))
>   		frame.colorspace = HDMI_COLORSPACE_YUV422;
> -	else if (hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format))
> +	else if (drm_hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format))
>   		frame.colorspace = HDMI_COLORSPACE_YUV420;
>   	else
>   		frame.colorspace = HDMI_COLORSPACE_RGB;
>   
>   	/* Set up colorimetry */
> -	if (!hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format)) {
> +	if (!drm_hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format)) {
>   		switch (hdmi->hdmi_data.enc_out_encoding) {
>   		case V4L2_YCBCR_ENC_601:
>   			if (hdmi->hdmi_data.enc_in_encoding == V4L2_YCBCR_ENC_XV601)
> @@ -1864,8 +1779,8 @@ static void hdmi_av_composer(struct dw_hdmi *hdmi,
>   
>   	vmode->mtmdsclock = vmode->mpixelclock;
>   
> -	if (!hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format)) {
> -		switch (hdmi_bus_fmt_color_depth(
> +	if (!drm_hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format)) {
> +		switch (drm_hdmi_bus_fmt_color_depth(
>   				hdmi->hdmi_data.enc_out_bus_format)) {
>   		case 16:
>   			vmode->mtmdsclock = vmode->mpixelclock * 2;
> @@ -1879,7 +1794,7 @@ static void hdmi_av_composer(struct dw_hdmi *hdmi,
>   		}
>   	}
>   
> -	if (hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format))
> +	if (drm_hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format))
>   		vmode->mtmdsclock /= 2;
>   
>   	dev_dbg(hdmi->dev, "final tmdsclock = %d\n", vmode->mtmdsclock);
> @@ -1930,7 +1845,7 @@ static void hdmi_av_composer(struct dw_hdmi *hdmi,
>   	 * When we're setting a YCbCr420 mode, we need
>   	 * to adjust the horizontal timing to suit.
>   	 */
> -	if (hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format)) {
> +	if (drm_hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format)) {
>   		hdisplay /= 2;
>   		hblank /= 2;
>   		h_de_hs /= 2;
> @@ -2766,7 +2681,7 @@ static const struct drm_bridge_funcs dw_hdmi_bridge_funcs = {
>   	.attach = dw_hdmi_bridge_attach,
>   	.detach = dw_hdmi_bridge_detach,
>   	.atomic_check = dw_hdmi_bridge_atomic_check,
> -	.atomic_get_output_bus_fmts = dw_hdmi_bridge_atomic_get_output_bus_fmts,
> +	.atomic_get_output_bus_fmts = drm_atomic_helper_bridge_hdmi_get_output_bus_fmts,
>   	.atomic_get_input_bus_fmts = dw_hdmi_bridge_atomic_get_input_bus_fmts,
>   	.atomic_enable = dw_hdmi_bridge_atomic_enable,
>   	.atomic_disable = dw_hdmi_bridge_atomic_disable,
> 

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer

-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_signature
Type: application/pgp-signature
Size: 840 bytes
Desc: OpenPGP digital signature
URL: <https://lists.freedesktop.org/archives/dri-devel/attachments/20210409/b303f05e/attachment-0001.sig>


More information about the dri-devel mailing list