On Wed, Mar 12, 2014 at 10:28 PM, Shirish S <s.shirish@xxxxxxxxxxx> wrote:
This patch adds support for the below mentioned
pixel clocks in Exynos5250.
Without them, following display modes won’t
be supported:
71 MHz - 1280x800@60Hz RB
73.25 MHz - 800x600@120Hz RB
88.75 MHz - 1440x900@60Hz RB
115.5 MHz - 1024x768@120Hz RB
119 MHz - 1680x1050@60Hz RB
Signed-off-by: Shirish S <s.shirish@xxxxxxxxxxx>
---
V2: Incorporated review comments
drivers/gpu/drm/exynos/exynos_hdmi.c | 45 ++++++++++++++++++++++++++++++++++
1 file changed, 45 insertions(+)
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 12fdf55..406d89d 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -304,6 +304,24 @@ static const struct hdmiphy_config hdmiphy_v14_configs[] = {
},
},
{
+ .pixel_clock = 71000000,
+ .conf = {
+ 0x01, 0x91, 0x1e, 0x15, 0x40, 0x3c, 0xce, 0x08,
+ 0x04, 0x20, 0xb2, 0xd8, 0x45, 0xa0, 0xac, 0x80,
+ 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0xad, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 73250000,
+ .conf = {
+ 0x01, 0xd1, 0x1f, 0x15, 0x40, 0x18, 0xe9, 0x08,
+ 0x02, 0xa0, 0xb7, 0xd8, 0x45, 0xa0, 0xac, 0x80,
+ 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0xa8, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
.pixel_clock = 74176000,
.conf = {
0x01, 0xd1, 0x3e, 0x35, 0x40, 0x5b, 0xde, 0x08,
@@ -331,6 +349,15 @@ static const struct hdmiphy_config hdmiphy_v14_configs[] = {
},
},
{
+ .pixel_clock = 88750000,
+ .conf = {
+ 0x01, 0x91, 0x25, 0x17, 0x40, 0x30, 0xfe, 0x08,
+ 0x06, 0x20, 0xde, 0xd8, 0x45, 0xa0, 0xac, 0x80,
+ 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0x8a, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
.pixel_clock = 106500000,
.conf = {
0x01, 0xd1, 0x2c, 0x12, 0x40, 0x0c, 0x09, 0x08,
@@ -349,6 +376,24 @@ static const struct hdmiphy_config hdmiphy_v14_configs[] = {
},
},
{
+ .pixel_clock = 115500000,
+ .conf = {
+ 0x01, 0xd1, 0x30, 0x1a, 0x40, 0x40, 0x10, 0x04,
+ 0x04, 0xa0, 0x21, 0xd9, 0x45, 0xa0, 0xac, 0x80,
+ 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0xaa, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 119000000,
We have found that the 119MHz clock doesn't work in Chrome OS (the clock doesn't stabilize), so we removed it. We should probably remove it here as well.
Stéphane
+ .conf = {
+ 0x01, 0x91, 0x32, 0x14, 0x40, 0x60, 0xd8, 0x08,
+ 0x06, 0x20, 0x2a, 0xd9, 0x45, 0xa0, 0xac, 0x80,
+ 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0x9d, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
.pixel_clock = 146250000,
.conf = {
0x01, 0xd1, 0x3d, 0x15, 0x40, 0x18, 0xfd, 0x08,
--
1.7.10.4
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