Created
April 6, 2020 21:51
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diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c | |
index 4d1c58468dbc..8d485dbce90c 100644 | |
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c | |
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c | |
@@ -728,6 +728,19 @@ nv50_hdmi_enable(struct drm_encoder *encoder, struct drm_display_mode *mode) | |
NV50_DISP_SOR_HDMI_PWR_V0_SCDC_SCRAMBLE * scrambling | | |
NV50_DISP_SOR_HDMI_PWR_V0_SCDC_DIV_BY_4 * high_tmds_clock_ratio; | |
+ ret = drm_scdc_readb(nv_encoder->i2c, SCDC_TMDS_CONFIG, &config); | |
+ if (ret < 0) { | |
+ NV_ERROR(drm, "Failure to read SCDC_TMDS_CONFIG: %d\n", ret); | |
+ return; | |
+ } | |
+ config &= ~(SCDC_TMDS_BIT_CLOCK_RATIO_BY_40 | SCDC_SCRAMBLING_ENABLE); | |
+ config |= SCDC_TMDS_BIT_CLOCK_RATIO_BY_40 * high_tmds_clock_ratio; | |
+ config |= SCDC_SCRAMBLING_ENABLE * scrambling; | |
+ ret = drm_scdc_writeb(nv_encoder->i2c, SCDC_TMDS_CONFIG, config); | |
+ if (ret < 0) | |
+ NV_ERROR(drm, "Failure to write SCDC_TMDS_CONFIG = 0x%02x: %d\n", | |
+ config, ret); | |
+ | |
size = sizeof(args.base) | |
+ sizeof(args.pwr) | |
+ args.pwr.avi_infoframe_length | |
@@ -742,18 +755,6 @@ nv50_hdmi_enable(struct drm_encoder *encoder, struct drm_display_mode *mode) | |
if (!hdmi->scdc.scrambling.supported) | |
return; | |
- ret = drm_scdc_readb(nv_encoder->i2c, SCDC_TMDS_CONFIG, &config); | |
- if (ret < 0) { | |
- NV_ERROR(drm, "Failure to read SCDC_TMDS_CONFIG: %d\n", ret); | |
- return; | |
- } | |
- config &= ~(SCDC_TMDS_BIT_CLOCK_RATIO_BY_40 | SCDC_SCRAMBLING_ENABLE); | |
- config |= SCDC_TMDS_BIT_CLOCK_RATIO_BY_40 * high_tmds_clock_ratio; | |
- config |= SCDC_SCRAMBLING_ENABLE * scrambling; | |
- ret = drm_scdc_writeb(nv_encoder->i2c, SCDC_TMDS_CONFIG, config); | |
- if (ret < 0) | |
- NV_ERROR(drm, "Failure to write SCDC_TMDS_CONFIG = 0x%02x: %d\n", | |
- config, ret); | |
} | |
/****************************************************************************** |
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