From: "Lowry Li (Arm Technology China)" Lowry.Li@arm.com
On D71, we are using the global line size. From D32, every component have a line size register to indicate the fifo size.
So this patch is to set line size support and do the line size check.
Signed-off-by: Lowry Li (Arm Technology China) lowry.li@arm.com --- .../arm/display/komeda/d71/d71_component.c | 57 ++++++++++++++++--- .../gpu/drm/arm/display/komeda/d71/d71_regs.h | 9 +-- .../drm/arm/display/komeda/komeda_pipeline.h | 2 + .../display/komeda/komeda_pipeline_state.c | 17 ++++++ 4 files changed, 70 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c index 7b374a3b911e..357837b9d6ed 100644 --- a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c +++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c @@ -106,6 +106,23 @@ static void dump_block_header(struct seq_file *sf, void __iomem *reg) i, hdr.output_ids[i]); }
+/* On D71, we are using the global line size. From D32, every component have + * a line size register to indicate the fifo size. + */ +static u32 __get_blk_line_size(struct d71_dev *d71, u32 __iomem *reg, + u32 max_default) +{ + if (!d71->periph_addr) + max_default = malidp_read32(reg, BLK_MAX_LINE_SIZE); + + return max_default; +} + +static u32 get_blk_line_size(struct d71_dev *d71, u32 __iomem *reg) +{ + return __get_blk_line_size(d71, reg, d71->max_line_size); +} + static u32 to_rot_ctrl(u32 rot) { u32 lr_ctrl = 0; @@ -365,7 +382,28 @@ static int d71_layer_init(struct d71_dev *d71, else layer->layer_type = KOMEDA_FMT_SIMPLE_LAYER;
- set_range(&layer->hsize_in, 4, d71->max_line_size); + if (!d71->periph_addr) { + /* D32 or newer product */ + layer->line_sz = malidp_read32(reg, BLK_MAX_LINE_SIZE); + layer->yuv_line_sz = L_INFO_YUV_MAX_LINESZ(layer_info); + } else if (d71->max_line_size > 2048) { + /* D71 4K */ + layer->line_sz = d71->max_line_size; + layer->yuv_line_sz = layer->line_sz / 2; + } else { + /* D71 2K */ + if (layer->layer_type == KOMEDA_FMT_RICH_LAYER) { + /* rich layer is 4K configuration */ + layer->line_sz = d71->max_line_size * 2; + layer->yuv_line_sz = layer->line_sz / 2; + } else { + layer->line_sz = d71->max_line_size; + layer->yuv_line_sz = 0; + } + } + + set_range(&layer->hsize_in, 4, layer->line_sz); + set_range(&layer->vsize_in, 4, d71->max_vsize);
malidp_write32(reg, LAYER_PALPHA, D71_PALPHA_DEF_MAP); @@ -456,9 +494,11 @@ static int d71_wb_layer_init(struct d71_dev *d71,
wb_layer = to_layer(c); wb_layer->layer_type = KOMEDA_FMT_WB_LAYER; + wb_layer->line_sz = get_blk_line_size(d71, reg); + wb_layer->yuv_line_sz = wb_layer->line_sz;
- set_range(&wb_layer->hsize_in, D71_MIN_LINE_SIZE, d71->max_line_size); - set_range(&wb_layer->vsize_in, D71_MIN_VERTICAL_SIZE, d71->max_vsize); + set_range(&wb_layer->hsize_in, 64, wb_layer->line_sz); + set_range(&wb_layer->vsize_in, 64, d71->max_vsize);
return 0; } @@ -595,8 +635,8 @@ static int d71_compiz_init(struct d71_dev *d71,
compiz = to_compiz(c);
- set_range(&compiz->hsize, D71_MIN_LINE_SIZE, d71->max_line_size); - set_range(&compiz->vsize, D71_MIN_VERTICAL_SIZE, d71->max_vsize); + set_range(&compiz->hsize, 64, get_blk_line_size(d71, reg)); + set_range(&compiz->vsize, 64, d71->max_vsize);
return 0; } @@ -753,7 +793,7 @@ static int d71_scaler_init(struct d71_dev *d71, }
scaler = to_scaler(c); - set_range(&scaler->hsize, 4, 2048); + set_range(&scaler->hsize, 4, __get_blk_line_size(d71, reg, 2048)); set_range(&scaler->vsize, 4, 4096); scaler->max_downscaling = 6; scaler->max_upscaling = 64; @@ -862,7 +902,7 @@ static int d71_splitter_init(struct d71_dev *d71,
splitter = to_splitter(c);
- set_range(&splitter->hsize, 4, d71->max_line_size); + set_range(&splitter->hsize, 4, get_blk_line_size(d71, reg)); set_range(&splitter->vsize, 4, d71->max_vsize);
return 0; @@ -933,7 +973,8 @@ static int d71_merger_init(struct d71_dev *d71,
merger = to_merger(c);
- set_range(&merger->hsize_merged, 4, 4032); + set_range(&merger->hsize_merged, 4, + __get_blk_line_size(d71, reg, 4032)); set_range(&merger->vsize_merged, 4, 4096);
return 0; diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_regs.h b/drivers/gpu/drm/arm/display/komeda/d71/d71_regs.h index 2d5e6d00b42c..1727dc993909 100644 --- a/drivers/gpu/drm/arm/display/komeda/d71/d71_regs.h +++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_regs.h @@ -10,6 +10,7 @@ /* Common block registers offset */ #define BLK_BLOCK_INFO 0x000 #define BLK_PIPELINE_INFO 0x004 +#define BLK_MAX_LINE_SIZE 0x008 #define BLK_VALID_INPUT_ID0 0x020 #define BLK_OUTPUT_ID0 0x060 #define BLK_INPUT_ID0 0x080 @@ -321,6 +322,7 @@ #define L_INFO_RF BIT(0) #define L_INFO_CM BIT(1) #define L_INFO_ABUF_SIZE(x) (((x) >> 4) & 0x7) +#define L_INFO_YUV_MAX_LINESZ(x) (((x) >> 16) & 0xFFFF)
/* Scaler registers */ #define SC_COEFFTAB 0x0DC @@ -494,13 +496,6 @@ enum d71_blk_type { #define D71_DEFAULT_PREPRETCH_LINE 5 #define D71_BUS_WIDTH_16_BYTES 16
-#define D71_MIN_LINE_SIZE 64 -#define D71_MIN_VERTICAL_SIZE 64 -#define D71_SC_MIN_LIN_SIZE 4 -#define D71_SC_MIN_VERTICAL_SIZE 4 -#define D71_SC_MAX_LIN_SIZE 2048 -#define D71_SC_MAX_VERTICAL_SIZE 4096 - #define D71_SC_MAX_UPSCALING 64 #define D71_SC_MAX_DOWNSCALING 6 #define D71_SC_SPLIT_OVERLAP 8 diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h index 910d279ae48d..92aba58ce2a5 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h +++ b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h @@ -227,6 +227,8 @@ struct komeda_layer { /* accepted h/v input range before rotation */ struct malidp_range hsize_in, vsize_in; u32 layer_type; /* RICH, SIMPLE or WB */ + u32 line_sz; + u32 yuv_line_sz; /* maximum line size for YUV422 and YUV420 */ u32 supported_rots; /* komeda supports layer split which splits a whole image to two parts * left and right and handle them by two individual layer processors diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c index 5526731f5a33..6df442666cfe 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c @@ -285,6 +285,7 @@ komeda_layer_check_cfg(struct komeda_layer *layer, struct komeda_data_flow_cfg *dflow) { u32 src_x, src_y, src_w, src_h; + u32 line_sz, max_line_sz;
if (!komeda_fb_is_layer_supported(kfb, layer->layer_type, dflow->rot)) return -EINVAL; @@ -314,6 +315,22 @@ komeda_layer_check_cfg(struct komeda_layer *layer, return -EINVAL; }
+ if (drm_rotation_90_or_270(dflow->rot)) + line_sz = dflow->in_h; + else + line_sz = dflow->in_w; + + if (kfb->base.format->hsub > 1) + max_line_sz = layer->yuv_line_sz; + else + max_line_sz = layer->line_sz; + + if (line_sz > max_line_sz) { + DRM_DEBUG_ATOMIC("Required line_sz: %d exceeds the max size %d\n", + line_sz, max_line_sz); + return -EINVAL; + } + return 0; }