summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/tegra/rgb.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/tegra/rgb.c')
-rw-r--r--drivers/gpu/drm/tegra/rgb.c47
1 files changed, 46 insertions, 1 deletions
diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c
index 3b29018913a5..338f7f6561d7 100644
--- a/drivers/gpu/drm/tegra/rgb.c
+++ b/drivers/gpu/drm/tegra/rgb.c
@@ -87,15 +87,60 @@ static void tegra_dc_write_regs(struct tegra_dc *dc,
static int tegra_output_rgb_enable(struct tegra_output *output)
{
struct tegra_rgb *rgb = to_rgb(output);
+ unsigned long value;
tegra_dc_write_regs(rgb->dc, rgb_enable, ARRAY_SIZE(rgb_enable));
+ value = DE_SELECT_ACTIVE | DE_CONTROL_NORMAL;
+ tegra_dc_writel(rgb->dc, value, DC_DISP_DATA_ENABLE_OPTIONS);
+
+ /* XXX: parameterize? */
+ value = tegra_dc_readl(rgb->dc, DC_COM_PIN_OUTPUT_POLARITY(1));
+ value &= ~LVS_OUTPUT_POLARITY_LOW;
+ value &= ~LHS_OUTPUT_POLARITY_LOW;
+ tegra_dc_writel(rgb->dc, value, DC_COM_PIN_OUTPUT_POLARITY(1));
+
+ /* XXX: parameterize? */
+ value = DISP_DATA_FORMAT_DF1P1C | DISP_ALIGNMENT_MSB |
+ DISP_ORDER_RED_BLUE;
+ tegra_dc_writel(rgb->dc, value, DC_DISP_DISP_INTERFACE_CONTROL);
+
+ /* XXX: parameterize? */
+ value = SC0_H_QUALIFIER_NONE | SC1_H_QUALIFIER_NONE;
+ tegra_dc_writel(rgb->dc, value, DC_DISP_SHIFT_CLOCK_OPTIONS);
+
+ value = tegra_dc_readl(rgb->dc, DC_CMD_DISPLAY_COMMAND);
+ value &= ~DISP_CTRL_MODE_MASK;
+ value |= DISP_CTRL_MODE_C_DISPLAY;
+ tegra_dc_writel(rgb->dc, value, DC_CMD_DISPLAY_COMMAND);
+
+ value = tegra_dc_readl(rgb->dc, DC_CMD_DISPLAY_POWER_CONTROL);
+ value |= PW0_ENABLE | PW1_ENABLE | PW2_ENABLE | PW3_ENABLE |
+ PW4_ENABLE | PM0_ENABLE | PM1_ENABLE;
+ tegra_dc_writel(rgb->dc, value, DC_CMD_DISPLAY_POWER_CONTROL);
+
+ tegra_dc_writel(rgb->dc, GENERAL_ACT_REQ << 8, DC_CMD_STATE_CONTROL);
+ tegra_dc_writel(rgb->dc, GENERAL_ACT_REQ, DC_CMD_STATE_CONTROL);
+
return 0;
}
static int tegra_output_rgb_disable(struct tegra_output *output)
{
struct tegra_rgb *rgb = to_rgb(output);
+ unsigned long value;
+
+ value = tegra_dc_readl(rgb->dc, DC_CMD_DISPLAY_POWER_CONTROL);
+ value &= ~(PW0_ENABLE | PW1_ENABLE | PW2_ENABLE | PW3_ENABLE |
+ PW4_ENABLE | PM0_ENABLE | PM1_ENABLE);
+ tegra_dc_writel(rgb->dc, value, DC_CMD_DISPLAY_POWER_CONTROL);
+
+ value = tegra_dc_readl(rgb->dc, DC_CMD_DISPLAY_COMMAND);
+ value &= ~DISP_CTRL_MODE_MASK;
+ tegra_dc_writel(rgb->dc, value, DC_CMD_DISPLAY_COMMAND);
+
+ tegra_dc_writel(rgb->dc, GENERAL_ACT_REQ << 8, DC_CMD_STATE_CONTROL);
+ tegra_dc_writel(rgb->dc, GENERAL_ACT_REQ, DC_CMD_STATE_CONTROL);
tegra_dc_write_regs(rgb->dc, rgb_disable, ARRAY_SIZE(rgb_disable));
@@ -213,7 +258,7 @@ int tegra_dc_rgb_init(struct drm_device *drm, struct tegra_dc *dc)
* RGB outputs are an exception, so we make sure they can be attached
* to only their parent display controller.
*/
- rgb->output.encoder.possible_crtcs = 1 << dc->pipe;
+ rgb->output.encoder.possible_crtcs = drm_crtc_mask(&dc->base);
return 0;
}