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path: root/drivers/gpu/drm/tegra/dc.c
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Diffstat (limited to 'drivers/gpu/drm/tegra/dc.c')
-rw-r--r--drivers/gpu/drm/tegra/dc.c123
1 files changed, 108 insertions, 15 deletions
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index ef40381f3909..6553fd238685 100644
--- a/drivers/gpu/drm/tegra/dc.c
+++ b/drivers/gpu/drm/tegra/dc.c
@@ -18,6 +18,8 @@
struct tegra_dc_soc_info {
bool supports_interlacing;
bool supports_cursor;
+ bool supports_block_linear;
+ unsigned int pitch_align;
};
struct tegra_plane {
@@ -212,15 +214,44 @@ static int tegra_dc_setup_window(struct tegra_dc *dc, unsigned int index,
tegra_dc_writel(dc, h_offset, DC_WINBUF_ADDR_H_OFFSET);
tegra_dc_writel(dc, v_offset, DC_WINBUF_ADDR_V_OFFSET);
- if (window->tiled) {
- value = DC_WIN_BUFFER_ADDR_MODE_TILE_UV |
- DC_WIN_BUFFER_ADDR_MODE_TILE;
+ if (dc->soc->supports_block_linear) {
+ unsigned long height = window->tiling.value;
+
+ switch (window->tiling.mode) {
+ case TEGRA_BO_TILING_MODE_PITCH:
+ value = DC_WINBUF_SURFACE_KIND_PITCH;
+ break;
+
+ case TEGRA_BO_TILING_MODE_TILED:
+ value = DC_WINBUF_SURFACE_KIND_TILED;
+ break;
+
+ case TEGRA_BO_TILING_MODE_BLOCK:
+ value = DC_WINBUF_SURFACE_KIND_BLOCK_HEIGHT(height) |
+ DC_WINBUF_SURFACE_KIND_BLOCK;
+ break;
+ }
+
+ tegra_dc_writel(dc, value, DC_WINBUF_SURFACE_KIND);
} else {
- value = DC_WIN_BUFFER_ADDR_MODE_LINEAR_UV |
- DC_WIN_BUFFER_ADDR_MODE_LINEAR;
- }
+ switch (window->tiling.mode) {
+ case TEGRA_BO_TILING_MODE_PITCH:
+ value = DC_WIN_BUFFER_ADDR_MODE_LINEAR_UV |
+ DC_WIN_BUFFER_ADDR_MODE_LINEAR;
+ break;
- tegra_dc_writel(dc, value, DC_WIN_BUFFER_ADDR_MODE);
+ case TEGRA_BO_TILING_MODE_TILED:
+ value = DC_WIN_BUFFER_ADDR_MODE_TILE_UV |
+ DC_WIN_BUFFER_ADDR_MODE_TILE;
+ break;
+
+ case TEGRA_BO_TILING_MODE_BLOCK:
+ DRM_ERROR("hardware doesn't support block linear mode\n");
+ return -EINVAL;
+ }
+
+ tegra_dc_writel(dc, value, DC_WIN_BUFFER_ADDR_MODE);
+ }
value = WIN_ENABLE;
@@ -288,6 +319,7 @@ static int tegra_plane_update(struct drm_plane *plane, struct drm_crtc *crtc,
struct tegra_dc *dc = to_tegra_dc(crtc);
struct tegra_dc_window window;
unsigned int i;
+ int err;
memset(&window, 0, sizeof(window));
window.src.x = src_x >> 16;
@@ -301,7 +333,10 @@ static int tegra_plane_update(struct drm_plane *plane, struct drm_crtc *crtc,
window.format = tegra_dc_format(fb->pixel_format, &window.swap);
window.bits_per_pixel = fb->bits_per_pixel;
window.bottom_up = tegra_fb_is_bottom_up(fb);
- window.tiled = tegra_fb_is_tiled(fb);
+
+ err = tegra_fb_get_tiling(fb, &window.tiling);
+ if (err < 0)
+ return err;
for (i = 0; i < drm_format_num_planes(fb->pixel_format); i++) {
struct tegra_bo *bo = tegra_fb_get_plane(fb, i);
@@ -402,8 +437,14 @@ static int tegra_dc_set_base(struct tegra_dc *dc, int x, int y,
{
struct tegra_bo *bo = tegra_fb_get_plane(fb, 0);
unsigned int h_offset = 0, v_offset = 0;
+ struct tegra_bo_tiling tiling;
unsigned int format, swap;
unsigned long value;
+ int err;
+
+ err = tegra_fb_get_tiling(fb, &tiling);
+ if (err < 0)
+ return err;
tegra_dc_writel(dc, WINDOW_A_SELECT, DC_CMD_DISPLAY_WINDOW_HEADER);
@@ -417,15 +458,44 @@ static int tegra_dc_set_base(struct tegra_dc *dc, int x, int y,
tegra_dc_writel(dc, format, DC_WIN_COLOR_DEPTH);
tegra_dc_writel(dc, swap, DC_WIN_BYTE_SWAP);
- if (tegra_fb_is_tiled(fb)) {
- value = DC_WIN_BUFFER_ADDR_MODE_TILE_UV |
- DC_WIN_BUFFER_ADDR_MODE_TILE;
+ if (dc->soc->supports_block_linear) {
+ unsigned long height = tiling.value;
+
+ switch (tiling.mode) {
+ case TEGRA_BO_TILING_MODE_PITCH:
+ value = DC_WINBUF_SURFACE_KIND_PITCH;
+ break;
+
+ case TEGRA_BO_TILING_MODE_TILED:
+ value = DC_WINBUF_SURFACE_KIND_TILED;
+ break;
+
+ case TEGRA_BO_TILING_MODE_BLOCK:
+ value = DC_WINBUF_SURFACE_KIND_BLOCK_HEIGHT(height) |
+ DC_WINBUF_SURFACE_KIND_BLOCK;
+ break;
+ }
+
+ tegra_dc_writel(dc, value, DC_WINBUF_SURFACE_KIND);
} else {
- value = DC_WIN_BUFFER_ADDR_MODE_LINEAR_UV |
- DC_WIN_BUFFER_ADDR_MODE_LINEAR;
- }
+ switch (tiling.mode) {
+ case TEGRA_BO_TILING_MODE_PITCH:
+ value = DC_WIN_BUFFER_ADDR_MODE_LINEAR_UV |
+ DC_WIN_BUFFER_ADDR_MODE_LINEAR;
+ break;
+
+ case TEGRA_BO_TILING_MODE_TILED:
+ value = DC_WIN_BUFFER_ADDR_MODE_TILE_UV |
+ DC_WIN_BUFFER_ADDR_MODE_TILE;
+ break;
+
+ case TEGRA_BO_TILING_MODE_BLOCK:
+ DRM_ERROR("hardware doesn't support block linear mode\n");
+ return -EINVAL;
+ }
- tegra_dc_writel(dc, value, DC_WIN_BUFFER_ADDR_MODE);
+ tegra_dc_writel(dc, value, DC_WIN_BUFFER_ADDR_MODE);
+ }
/* make sure bottom-up buffers are properly displayed */
if (tegra_fb_is_bottom_up(fb)) {
@@ -1214,12 +1284,20 @@ static int tegra_dc_init(struct host1x_client *client)
{
struct drm_device *drm = dev_get_drvdata(client->parent);
struct tegra_dc *dc = host1x_client_to_dc(client);
+ struct tegra_drm *tegra = drm->dev_private;
int err;
drm_crtc_init(drm, &dc->base, &tegra_crtc_funcs);
drm_mode_crtc_set_gamma_size(&dc->base, 256);
drm_crtc_helper_add(&dc->base, &tegra_crtc_helper_funcs);
+ /*
+ * Keep track of the minimum pitch alignment across all display
+ * controllers.
+ */
+ if (dc->soc->pitch_align > tegra->pitch_align)
+ tegra->pitch_align = dc->soc->pitch_align;
+
err = tegra_dc_rgb_init(drm, dc);
if (err < 0 && err != -ENODEV) {
dev_err(dc->dev, "failed to initialize RGB output: %d\n", err);
@@ -1277,16 +1355,29 @@ static const struct host1x_client_ops dc_client_ops = {
static const struct tegra_dc_soc_info tegra20_dc_soc_info = {
.supports_interlacing = false,
.supports_cursor = false,
+ .supports_block_linear = false,
+ .pitch_align = 8,
};
static const struct tegra_dc_soc_info tegra30_dc_soc_info = {
.supports_interlacing = false,
.supports_cursor = false,
+ .supports_block_linear = false,
+ .pitch_align = 8,
+};
+
+static const struct tegra_dc_soc_info tegra114_dc_soc_info = {
+ .supports_interlacing = false,
+ .supports_cursor = false,
+ .supports_block_linear = false,
+ .pitch_align = 64,
};
static const struct tegra_dc_soc_info tegra124_dc_soc_info = {
.supports_interlacing = true,
.supports_cursor = true,
+ .supports_block_linear = true,
+ .pitch_align = 64,
};
static const struct of_device_id tegra_dc_of_match[] = {
@@ -1303,6 +1394,7 @@ static const struct of_device_id tegra_dc_of_match[] = {
/* sentinel */
}
};
+MODULE_DEVICE_TABLE(of, tegra_dc_of_match);
static int tegra_dc_parse_dt(struct tegra_dc *dc)
{
@@ -1430,6 +1522,7 @@ static int tegra_dc_remove(struct platform_device *pdev)
return err;
}
+ reset_control_assert(dc->rst);
clk_disable_unprepare(dc->clk);
return 0;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-12 00:39:37 +0000