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drm/tegra: dc: Parameterize maximum resolution

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Tegra186 and later support a higher maximum resolution than earlier
chips, so make sure to reflect that in the mode configuration.

Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding
2021-03-26 15:51:33 +01:00
parent 86044e749b
commit 042c0bd76d
3 changed files with 17 additions and 3 deletions
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6
drivers/gpu/drm/tegra/dc.c
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@@ -2117,6 +2117,12 @@ static int tegra_dc_init(struct host1x_client *client)
if (dc->soc->pitch_align > tegra->pitch_align)
tegra->pitch_align = dc->soc->pitch_align;
/* track maximum resolution */
if (dc->soc->has_nvdisplay)
drm->mode_config.max_width = drm->mode_config.max_height = 16384;
else
drm->mode_config.max_width = drm->mode_config.max_height = 4096;
err = tegra_dc_rgb_init(drm, dc);
if (err < 0 && err != -ENODEV) {
dev_err(dc->dev, "failed to initialize RGB output: %d\n", err);