Attachment 88207 Details for Bug 70934 – A small debugging patch I've applied

[patch] A small debugging patch I've applied

bpc.debugging.diff (text/plain), 3.57 KB, created by Rafał Miłecki on 2013-10-28 07:35:30 UTC

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Creator: Rafał Miłecki

Created: 2013-10-28 07:35:30 UTC

Size: 3.57 KB

patch

obsolete

>diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
>index 2fab38f..d2f096c 100644
>--- a/drivers/gpu/drm/radeon/atombios_crtc.c
>+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
>@@ -588,6 +588,7 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
> 		if (encoder->crtc == crtc) {
> 			radeon_encoder = to_radeon_encoder(encoder);
> 			connector = radeon_get_connector_for_encoder(encoder);
>+			pr_info("[%s:%d] Changing bpc from %d to %d\n", __FUNCTION__, __LINE__, bpc, radeon_get_monitor_bpc(connector));
> 			bpc = radeon_get_monitor_bpc(connector);
> 			encoder_mode = atombios_get_encoder_mode(encoder);
> 			is_duallink = radeon_dig_monitor_is_duallink(encoder, mode->clock);
>@@ -964,6 +965,7 @@ static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode
> 		struct radeon_connector_atom_dig *dig_connector =
> 			radeon_connector->con_priv;
> 		int dp_clock;
>+		pr_info("[%s:%d] Changing bpc from %d to %d\n", __FUNCTION__, __LINE__, bpc, radeon_get_monitor_bpc(connector));
> 		bpc = radeon_get_monitor_bpc(connector);
> 
> 		switch (encoder_mode) {
>diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
>index cadbb10..1a38e53 100644
>--- a/drivers/gpu/drm/radeon/atombios_dp.c
>+++ b/drivers/gpu/drm/radeon/atombios_dp.c
>@@ -405,6 +405,7 @@ static void dp_get_adjust_train(u8 link_status[DP_LINK_STATUS_SIZE],
> /* get bpc from the EDID */
> static int convert_bpc_to_bpp(int bpc)
> {
>+	pr_info("[%s:%d] Called with bpc %d\n", __FUNCTION__, __LINE__, bpc);
> 	if (bpc == 0)
> 		return 24;
> 	else
>diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
>index 06b209b..ef3ad998 100644
>--- a/drivers/gpu/drm/radeon/atombios_encoders.c
>+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
>@@ -541,6 +541,7 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action, int panel_mo
> 		dp_clock = dig_connector->dp_clock;
> 		dp_lane_count = dig_connector->dp_lane_count;
> 		hpd_id = radeon_connector->hpd.hpd;
>+		pr_info("[%s:%d] Changing bpc from %d to %d\n", __FUNCTION__, __LINE__, bpc, radeon_get_monitor_bpc(connector));
> 		bpc = radeon_get_monitor_bpc(connector);
> 	}
> 
>@@ -1159,6 +1160,7 @@ atombios_external_encoder_setup(struct drm_encoder *encoder,
> 		dp_lane_count = dig_connector->dp_lane_count;
> 		connector_object_id =
> 			(radeon_connector->connector_object_id & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
>+		pr_info("[%s:%d] Changing bpc from %d to %d\n", __FUNCTION__, __LINE__, bpc, radeon_get_monitor_bpc(connector));
> 		bpc = radeon_get_monitor_bpc(connector);
> 	}
> 
>diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
>index 71fa389..2d28f9e 100644
>--- a/drivers/gpu/drm/radeon/radeon_connectors.c
>+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
>@@ -121,6 +121,7 @@ int radeon_get_monitor_bpc(struct drm_connector *connector)
> 		break;
> 	case DRM_MODE_CONNECTOR_eDP:
> 	case DRM_MODE_CONNECTOR_LVDS:
>+		pr_info("[%s:%d] connector->display_info.bpc:%d\n", __FUNCTION__, __LINE__, connector->display_info.bpc);
> 		if (connector->display_info.bpc)
> 			bpc = connector->display_info.bpc;
> 		else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
>@@ -129,6 +130,7 @@ int radeon_get_monitor_bpc(struct drm_connector *connector)
> 			struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
> 			struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
> 			struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
>+		pr_info("[%s:%d]\n", __FUNCTION__, __LINE__);
> 
> 			if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
> 				bpc = 6;

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