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drm/tegra: sor: Add Tegra186 support

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The SOR found on Tegra186 is very similar to the one found on Tegra210
and earlier. However, due to some changes in the display architecture,
some programming sequences have changed and some register have moved
around.

Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding
2017-10-12 19:12:57 +02:00
parent 880cee0b7f
commit c57997bce4
7 changed files with 422 additions and 123 deletions
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24
drivers/gpu/drm/tegra/output.c
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@@ -9,7 +9,9 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_panel.h>
#include "drm.h"
#include "dc.h"
#include <media/cec-notifier.h>
@@ -218,3 +220,25 @@ void tegra_output_exit(struct tegra_output *output)
if (output->panel)
drm_panel_detach(output->panel);
}
void tegra_output_find_possible_crtcs(struct tegra_output *output,
struct drm_device *drm)
{
struct device *dev = output->dev;
struct drm_crtc *crtc;
unsigned int mask = 0;
drm_for_each_crtc(crtc, drm) {
struct tegra_dc *dc = to_tegra_dc(crtc);
if (tegra_dc_has_output(dc, dev))
mask |= drm_crtc_mask(crtc);
}
if (mask == 0) {
dev_warn(dev, "missing output definition for heads in DT\n");
mask = 0x3;
}
output->encoder.possible_crtcs = mask;
}