diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_hdmi.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 0d37d6928623..218914339cac 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -1247,6 +1247,18 @@ static void hdmi_v13_mode_apply(struct hdmi_context *hdata) static void hdmi_v14_mode_apply(struct hdmi_context *hdata) { struct drm_display_mode *m = &hdata->encoder.crtc->state->mode; + struct drm_display_mode *am = + &hdata->encoder.crtc->state->adjusted_mode; + int hquirk = 0; + + /* + * In case video mode coming from CRTC differs from requested one HDMI + * sometimes is able to almost properly perform conversion - only + * first line is distorted. + */ + if ((m->vdisplay != am->vdisplay) && + (m->hdisplay == 1280 || m->hdisplay == 1024)) + hquirk = 258; hdmi_reg_writev(hdata, HDMI_H_BLANK_0, 2, m->htotal - m->hdisplay); hdmi_reg_writev(hdata, HDMI_V_LINE_0, 2, m->vtotal); @@ -1340,8 +1352,9 @@ static void hdmi_v14_mode_apply(struct hdmi_context *hdata) hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_6_0, 2, 0xffff); hdmi_reg_writev(hdata, HDMI_TG_H_FSZ_L, 2, m->htotal); - hdmi_reg_writev(hdata, HDMI_TG_HACT_ST_L, 2, m->htotal - m->hdisplay); - hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay); + hdmi_reg_writev(hdata, HDMI_TG_HACT_ST_L, 2, + m->htotal - m->hdisplay - hquirk); + hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay + hquirk); hdmi_reg_writev(hdata, HDMI_TG_V_FSZ_L, 2, m->vtotal); if (hdata->drv_data == &exynos5433_hdmi_driver_data) hdmi_reg_writeb(hdata, HDMI_TG_DECON_EN, 1); |