video: zynqmp: Enable 1024x768 resolution

Add support for 1024x768 60p resolution and set it up this resolution by
default. This resolution is still able to use only one GT line. But for
example 800x600 60p has some issues with settings. That's why extend this
table by tested resolutions.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/957e1e85a05744326ec2606dadc1af6e69976f37.1684312924.git.michal.simek@amd.com
diff --git a/drivers/video/zynqmp/zynqmp_dpsub.c b/drivers/video/zynqmp/zynqmp_dpsub.c
index c287b47..def4dcf 100644
--- a/drivers/video/zynqmp/zynqmp_dpsub.c
+++ b/drivers/video/zynqmp/zynqmp_dpsub.c
@@ -27,8 +27,8 @@
 DECLARE_GLOBAL_DATA_PTR;
 
 /* Maximum supported resolution */
-#define WIDTH				640
-#define HEIGHT				480
+#define WIDTH				1024
+#define HEIGHT				768
 
 static struct dp_dma dp_dma;
 static struct dp_dma_descriptor cur_desc __aligned(256);
@@ -1995,7 +1995,7 @@
 	struct zynqmp_dpsub_priv *dp_sub = dev_get_priv(dev);
 
 	dp_sub->dp_dma               = &dp_dma;
-	dp_sub->video_mode           = VIDC_VM_640x480_60_P;
+	dp_sub->video_mode           = VIDC_VM_1024x768_60_P;
 	dp_sub->bpc                  = VIDC_BPC_8;
 	dp_sub->color_encode         = DP_CENC_RGB;
 	dp_sub->use_max_cfg_caps     = 1;
diff --git a/drivers/video/zynqmp/zynqmp_dpsub.h b/drivers/video/zynqmp/zynqmp_dpsub.h
index d2a6f1f..7d2737e 100644
--- a/drivers/video/zynqmp/zynqmp_dpsub.h
+++ b/drivers/video/zynqmp/zynqmp_dpsub.h
@@ -9,6 +9,7 @@
 
 enum video_mode {
 	VIDC_VM_640x480_60_P = 0,
+	VIDC_VM_1024x768_60_P = 1,
 };
 
 enum {
@@ -644,7 +645,7 @@
 #define VIDEO_REF_CTRL_DIVISOR0_SHIFT					8
 #define PSS_REF_CLK							0
 #define FPD_CTRL_OFFSET							12
-#define VIDC_VM_NUM_SUPPORTED						1
+#define VIDC_VM_NUM_SUPPORTED						2
 
 static const u32 vs[4][4] = {
 	{ 0x2a, 0x27, 0x24, 0x20 },
@@ -664,6 +665,9 @@
 	{ VIDC_VM_640x480_60_P, "640x480@60Hz", VIDC_FR_60HZ,
 	{640, 16, 96, 48, 800, 0,
 	 480, 10, 2, 33, 525, 0, 0, 0, 0, 0} },
+	{ VIDC_VM_1024x768_60_P, "1024x768@60Hz", VIDC_FR_60HZ,
+	{1024, 24, 136, 160, 1344, 0,
+	 768, 3, 6, 29, 806, 0, 0, 0, 0, 0} },
 };
 
 const struct av_buf_vid_attribute avbuf_supported_formats[] = {