From: Taimur Hassan <syed.has...@amd.com>
Add dmub command to support LSDMA
Acked-by: ChiaHsuan Chung <chiahsuan.ch...@amd.com>
Signed-off-by: Taimur Hassan <syed.has...@amd.com>
Signed-off-by: Wayne Lin <wayne....@amd.com>
---
.../gpu/drm/amd/display/dmub/inc/dmub_cmd.h | 156 ++++++++++++++++++
1 file changed, 156 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
index 346d843b45bf..dc4a8b83e6c6 100644
--- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
+++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
@@ -1516,6 +1516,11 @@ enum dmub_cmd_type {
*/
DMUB_CMD__FUSED_IO = 89,
+ /**
+ * Command type used for all LSDMA commands.
+ */
+ DMUB_CMD__LSDMA = 90,
+
DMUB_CMD__VBIOS = 128,
};
@@ -1926,6 +1931,121 @@ struct dmub_rb_cmd_fams2_flip {
struct dmub_fams2_flip_info flip_info;
};
+struct dmub_cmd_lsdma_data {
+ union {
+ struct lsdma_init_data {
+ union dmub_addr gpu_addr_base;
+ uint32_t ring_size;
+ } init_data;
+ struct lsdma_tiled_copy_data {
+ uint32_t src_addr_lo;
+ uint32_t src_addr_hi;
+ uint32_t dst_addr_lo;
+ uint32_t dst_addr_hi;
+
+ uint32_t src_x : 16;
+ uint32_t src_y : 16;
+
+ uint32_t src_width : 16;
+ uint32_t src_height : 16;
+
+ uint32_t dst_x : 16;
+ uint32_t dst_y : 16;
+
+ uint32_t dst_width : 16;
+ uint32_t dst_height : 16;
+
+ uint32_t rect_x : 16;
+ uint32_t rect_y : 16;
+
+ uint32_t src_swizzle_mode : 5;
+ uint32_t src_mip_max : 5;
+ uint32_t src_mip_id : 5;
+ uint32_t dst_mip_max : 5;
+ uint32_t dst_swizzle_mode : 5;
+ uint32_t dst_mip_id : 5;
+ uint32_t tmz : 1;
+ uint32_t dcc : 1;
+
+ uint32_t data_format : 6;
+ uint32_t padding1 : 4;
+ uint32_t dst_element_size : 3;
+ uint32_t num_type : 3;
+ uint32_t src_element_size : 3;
+ uint32_t write_compress : 2;
+ uint32_t cache_policy_dst : 2;
+ uint32_t cache_policy_src : 2;
+ uint32_t read_compress : 2;
+ uint32_t src_dim : 2;
+ uint32_t dst_dim : 2;
+ uint32_t max_uncom : 1;
+
+ uint32_t max_com : 2;
+ uint32_t padding : 30;
+ } tiled_copy_data;
+ struct lsdma_linear_copy_data {
+ uint32_t count : 30;
+ uint32_t cache_policy_dst : 2;
+
+ uint32_t tmz : 1;
+ uint32_t cache_policy_src : 2;
+ uint32_t padding : 29;
+
+ uint32_t src_lo;
+ uint32_t src_hi;
+ uint32_t dst_lo;
+ uint32_t dst_hi;
+ } linear_copy_data;
+ struct lsdma_reg_write_data {
+ uint32_t reg_addr;
+ uint32_t reg_data;
+ } reg_write_data;
+ struct lsdma_pio_copy_data {
+ union {
+ struct {
+ uint32_t byte_count : 26;
+ uint32_t src_loc : 1;
+ uint32_t dst_loc : 1;
+ uint32_t src_addr_inc : 1;
+ uint32_t dst_addr_inc : 1;
+ uint32_t overlap_disable : 1;
+ uint32_t constant_fill : 1;
+ } fields;
+ uint32_t raw;
+ } packet;
+ uint32_t src_lo;
+ uint32_t src_hi;
+ uint32_t dst_lo;
+ uint32_t dst_hi;
+ } pio_copy_data;
+ struct lsdma_pio_constfill_data {
+ union {
+ struct {
+ uint32_t byte_count : 26;
+ uint32_t src_loc : 1;
+ uint32_t dst_loc : 1;
+ uint32_t src_addr_inc : 1;
+ uint32_t dst_addr_inc : 1;
+ uint32_t overlap_disable : 1;
+ uint32_t constant_fill : 1;
+ } fields;
+ uint32_t raw;
+ } packet;
+ uint32_t dst_lo;
+ uint32_t dst_hi;
+ uint32_t data;
+ } pio_constfill_data;
+
+ uint32_t all[14];
+ } u;
+
+};
+
+struct dmub_rb_cmd_lsdma {
+ struct dmub_cmd_header header;
+ struct dmub_cmd_lsdma_data lsdma_data;
+};
+
struct dmub_optc_state_v2 {
uint32_t v_total_min;
uint32_t v_total_max;
@@ -4453,6 +4573,37 @@ enum dmub_cmd_abm_type {
DMUB_CMD__ABM_GET_HISTOGRAM_DATA = 11,
};
+/**
+ * LSDMA command sub-types.
+ */
+enum dmub_cmd_lsdma_type {
+ /**
+ * Initialize parameters for LSDMA.
+ * Ring buffer is mapped to the ring buffer
+ */
+ DMUB_CMD__LSDMA_INIT_CONFIG = 0,
+ /**
+ * LSDMA copies data from source to destination linearly
+ */
+ DMUB_CMD__LSDMA_LINEAR_COPY = 1,
+ /**
+ * Send the tiled-to-tiled copy command
+ */
+ DMUB_CMD__LSDMA_TILED_TO_TILED_COPY = 2,
+ /**
+ * Send the poll reg write command
+ */
+ DMUB_CMD__LSDMA_POLL_REG_WRITE = 3,
+ /**
+ * Send the pio copy command
+ */
+ DMUB_CMD__LSDMA_PIO_COPY = 4,
+ /**
+ * Send the pio constfill command
+ */
+ DMUB_CMD__LSDMA_PIO_CONSTFILL = 5,
+};
+
struct abm_ace_curve {
/**
* @offsets: ACE curve offsets.
@@ -5973,6 +6124,11 @@ union dmub_rb_cmd {
struct dmub_rb_cmd_fams2_flip fams2_flip;
struct dmub_rb_cmd_fused_io fused_io;
+
+ /**
+ * Definition of a DMUB_CMD__LSDMA command.
+ */
+ struct dmub_rb_cmd_lsdma lsdma;
};
/**
--
2.43.0
