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path: root/drivers/gpu/ipu-v3/ipu-pre.c
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Diffstat (limited to 'drivers/gpu/ipu-v3/ipu-pre.c')
-rw-r--r--drivers/gpu/ipu-v3/ipu-pre.c29
1 files changed, 26 insertions, 3 deletions
diff --git a/drivers/gpu/ipu-v3/ipu-pre.c b/drivers/gpu/ipu-v3/ipu-pre.c
index c860a7997cb5..f1cec3d70498 100644
--- a/drivers/gpu/ipu-v3/ipu-pre.c
+++ b/drivers/gpu/ipu-v3/ipu-pre.c
@@ -49,6 +49,10 @@
#define IPU_PRE_TPR_CTRL 0x070
#define IPU_PRE_TPR_CTRL_TILE_FORMAT(v) ((v & 0xff) << 0)
#define IPU_PRE_TPR_CTRL_TILE_FORMAT_MASK 0xff
+#define IPU_PRE_TPR_CTRL_TILE_FORMAT_16_BIT (1 << 0)
+#define IPU_PRE_TPR_CTRL_TILE_FORMAT_SPLIT_BUF (1 << 4)
+#define IPU_PRE_TPR_CTRL_TILE_FORMAT_SINGLE_BUF (1 << 5)
+#define IPU_PRE_TPR_CTRL_TILE_FORMAT_SUPER_TILED (1 << 6)
#define IPU_PRE_PREFETCH_ENG_CTRL 0x080
#define IPU_PRE_PREF_ENG_CTRL_PREFETCH_EN (1 << 0)
@@ -147,7 +151,7 @@ int ipu_pre_get(struct ipu_pre *pre)
val = IPU_PRE_CTRL_HANDSHAKE_ABORT_SKIP_EN |
IPU_PRE_CTRL_HANDSHAKE_EN |
IPU_PRE_CTRL_TPR_REST_SEL |
- IPU_PRE_CTRL_BLOCK_16 | IPU_PRE_CTRL_SDW_UPDATE;
+ IPU_PRE_CTRL_SDW_UPDATE;
writel(val, pre->regs + IPU_PRE_CTRL);
pre->in_use = true;
@@ -163,14 +167,17 @@ void ipu_pre_put(struct ipu_pre *pre)
void ipu_pre_configure(struct ipu_pre *pre, unsigned int width,
unsigned int height, unsigned int stride, u32 format,
- unsigned int bufaddr)
+ uint64_t modifier, unsigned int bufaddr)
{
const struct drm_format_info *info = drm_format_info(format);
u32 active_bpp = info->cpp[0] >> 1;
u32 val;
/* calculate safe window for ctrl register updates */
- pre->safe_window_end = height - 2;
+ if (modifier == DRM_FORMAT_MOD_LINEAR)
+ pre->safe_window_end = height - 2;
+ else
+ pre->safe_window_end = DIV_ROUND_UP(height, 4) - 1;
writel(bufaddr, pre->regs + IPU_PRE_CUR_BUF);
writel(bufaddr, pre->regs + IPU_PRE_NEXT_BUF);
@@ -203,9 +210,25 @@ void ipu_pre_configure(struct ipu_pre *pre, unsigned int width,
writel(pre->buffer_paddr, pre->regs + IPU_PRE_STORE_ENG_ADDR);
+ val = readl(pre->regs + IPU_PRE_TPR_CTRL);
+ val &= ~IPU_PRE_TPR_CTRL_TILE_FORMAT_MASK;
+ if (modifier != DRM_FORMAT_MOD_LINEAR) {
+ /* only support single buffer formats for now */
+ val |= IPU_PRE_TPR_CTRL_TILE_FORMAT_SINGLE_BUF;
+ if (modifier == DRM_FORMAT_MOD_VIVANTE_SUPER_TILED)
+ val |= IPU_PRE_TPR_CTRL_TILE_FORMAT_SUPER_TILED;
+ if (info->cpp[0] == 2)
+ val |= IPU_PRE_TPR_CTRL_TILE_FORMAT_16_BIT;
+ }
+ writel(val, pre->regs + IPU_PRE_TPR_CTRL);
+
val = readl(pre->regs + IPU_PRE_CTRL);
val |= IPU_PRE_CTRL_EN_REPEAT | IPU_PRE_CTRL_ENABLE |
IPU_PRE_CTRL_SDW_UPDATE;
+ if (modifier == DRM_FORMAT_MOD_LINEAR)
+ val &= ~IPU_PRE_CTRL_BLOCK_EN;
+ else
+ val |= IPU_PRE_CTRL_BLOCK_EN;
writel(val, pre->regs + IPU_PRE_CTRL);
}