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drm/exynos/hdmi: add 85.5MHz pixel clock for v14 HDMI PHY 

Configuration details from Samsung. This enables 1366x768@60Hz,
which also needs the 256px timing hack to work around a mixer
limitation.

Signed-off-by: Daniel Drake <drake@endlessm.com>
Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
[a.hajda@samsung.com: rebased onto proposed patchset]
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
hifive-unleashed-5.1
Daniel Drake 2017-09-29 12:05:42 +02:00 committed by Inki Dae
parent 0900673e36
commit ae58c03e0e
2 changed files with 13 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/gpu/drm/exynos/exynos_hdmi.c
View File

@ -296,6 +296,15 @@ static const struct hdmiphy_config hdmiphy_v14_configs[] = {
0x54, 0x93, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
},
},
{
.pixel_clock = 85500000,
.conf = {
0x01, 0xd1, 0x24, 0x11, 0x40, 0x40, 0xd0, 0x08,
0x84, 0xa0, 0xd6, 0xd8, 0x45, 0xa0, 0xac, 0x80,
0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
0x54, 0x90, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
},
},
{
.pixel_clock = 106500000,
.conf = {
@ -1257,7 +1266,7 @@ static void hdmi_v14_mode_apply(struct hdmi_context *hdata)
* first line is distorted.
*/
if ((m->vdisplay != am->vdisplay) &&
(m->hdisplay == 1280 || m->hdisplay == 1024))
(m->hdisplay == 1280 || m->hdisplay == 1024 || m->hdisplay == 1366))
hquirk = 258;
hdmi_reg_writev(hdata, HDMI_H_BLANK_0, 2, m->htotal - m->hdisplay);

4
drivers/gpu/drm/exynos/exynos_mixer.c
View File

@ -1015,7 +1015,9 @@ static int mixer_mode_valid(struct exynos_drm_crtc *crtc,
(w >= 1664 && w <= 1920 && h >= 936 && h <= 1080))
return MODE_OK;
if ((w == 1024 && h == 768) || (w == 1280 && h == 1024))
if ((w == 1024 && h == 768) ||
(w == 1366 && h == 768) ||
(w == 1280 && h == 1024))
return MODE_OK;
return MODE_BAD;