drm/tegra: Update to Linux v6.8

Update the Tegra DRM driver to align with the upstream Linux v6.8 kernel
preserving all the downstream changes that still need to be upstreamed.

JIRA LINQPJ14-47

Change-Id: If0a9149bcfa2fd6276ac8100933abc3d532a5ddc
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3333320
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Jon Hunter
2025-03-26 11:04:06 +00:00
parent 8a28999d28
commit 13834d4e13
20 changed files with 162 additions and 129 deletions

View File

@@ -99,6 +99,7 @@ static void tegra_rgb_encoder_disable(struct drm_encoder *encoder)
static void tegra_rgb_encoder_enable(struct drm_encoder *encoder)
{
struct drm_display_mode *mode = &encoder->crtc->state->adjusted_mode;
struct tegra_output *output = encoder_to_output(encoder);
struct tegra_rgb *rgb = to_rgb(output);
u32 value;
@@ -108,10 +109,19 @@ static void tegra_rgb_encoder_enable(struct drm_encoder *encoder)
value = DE_SELECT_ACTIVE | DE_CONTROL_NORMAL;
tegra_dc_writel(rgb->dc, value, DC_DISP_DATA_ENABLE_OPTIONS);
/* XXX: parameterize? */
/* configure H- and V-sync signal polarities */
value = tegra_dc_readl(rgb->dc, DC_COM_PIN_OUTPUT_POLARITY(1));
value &= ~LVS_OUTPUT_POLARITY_LOW;
value &= ~LHS_OUTPUT_POLARITY_LOW;
if (mode->flags & DRM_MODE_FLAG_NHSYNC)
value |= LHS_OUTPUT_POLARITY_LOW;
else
value &= ~LHS_OUTPUT_POLARITY_LOW;
if (mode->flags & DRM_MODE_FLAG_NVSYNC)
value |= LVS_OUTPUT_POLARITY_LOW;
else
value &= ~LVS_OUTPUT_POLARITY_LOW;
tegra_dc_writel(rgb->dc, value, DC_COM_PIN_OUTPUT_POLARITY(1));
/* XXX: parameterize? */