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Commit ae58c03e authored by Daniel Drake's avatar Daniel Drake Committed by Inki Dae
Browse files

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: default avatarDaniel Drake <drake@endlessm.com>
Signed-off-by: default avatarTobias Jakobi <tjakobi@math.uni-bielefeld.de>
[a.hajda@samsung.com: rebased onto proposed patchset]
Signed-off-by: default avatarAndrzej Hajda <a.hajda@samsung.com>
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
parent 0900673e

drivers/gpu/drm/exynos/exynos_hdmi.c

+10 −1
Original line number Diff line number Diff line
@@ -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);

drivers/gpu/drm/exynos/exynos_mixer.c

+3 −1
Original line number Diff line number Diff line
@@ -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;