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drm/amdgpu/gfx: Use CSB helpers in gfx_v11_0_get_csb_buffer

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Part of the code in gfx_v11_0_get_csb_buffer can be removed in favor of
some GFX CSB helpers. This commit removes the duplicated part for the
GFX 11 CSB function.

Signed-off-by: Rodrigo Siqueira <siqueira@igalia.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rodrigo Siqueira
2025-04-21 16:12:19 -06:00
committed by Alex Deucher
parent 9718f7457d
commit 106172df6e
1 changed files with 5 additions and 29 deletions
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34
drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
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@@ -848,9 +848,7 @@ static u32 gfx_v11_0_get_csb_size(struct amdgpu_device *adev)
static void gfx_v11_0_get_csb_buffer(struct amdgpu_device *adev,
volatile u32 *buffer)
{
u32 count = 0, i;
const struct cs_section_def *sect = NULL;
const struct cs_extent_def *ext = NULL;
u32 count = 0;
int ctx_reg_offset;
if (adev->gfx.rlc.cs_data == NULL)
@@ -858,37 +856,15 @@ static void gfx_v11_0_get_csb_buffer(struct amdgpu_device *adev,
if (buffer == NULL)
return;
buffer[count++] = cpu_to_le32(PACKET3(PACKET3_PREAMBLE_CNTL, 0));
buffer[count++] = cpu_to_le32(PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
count = amdgpu_gfx_csb_preamble_start(buffer);
count = amdgpu_gfx_csb_data_parser(adev, buffer, count);
buffer[count++] = cpu_to_le32(PACKET3(PACKET3_CONTEXT_CONTROL, 1));
buffer[count++] = cpu_to_le32(0x80000000);
buffer[count++] = cpu_to_le32(0x80000000);
for (sect = adev->gfx.rlc.cs_data; sect->section != NULL; ++sect) {
for (ext = sect->section; ext->extent != NULL; ++ext) {
if (sect->id == SECT_CONTEXT) {
buffer[count++] =
cpu_to_le32(PACKET3(PACKET3_SET_CONTEXT_REG, ext->reg_count));
buffer[count++] = cpu_to_le32(ext->reg_index -
PACKET3_SET_CONTEXT_REG_START);
for (i = 0; i < ext->reg_count; i++)
buffer[count++] = cpu_to_le32(ext->extent[i]);
}
}
}
ctx_reg_offset =
SOC15_REG_OFFSET(GC, 0, regPA_SC_TILE_STEERING_OVERRIDE) - PACKET3_SET_CONTEXT_REG_START;
ctx_reg_offset = SOC15_REG_OFFSET(GC, 0, regPA_SC_TILE_STEERING_OVERRIDE) - PACKET3_SET_CONTEXT_REG_START;
buffer[count++] = cpu_to_le32(PACKET3(PACKET3_SET_CONTEXT_REG, 1));
buffer[count++] = cpu_to_le32(ctx_reg_offset);
buffer[count++] = cpu_to_le32(adev->gfx.config.pa_sc_tile_steering_override);
buffer[count++] = cpu_to_le32(PACKET3(PACKET3_PREAMBLE_CNTL, 0));
buffer[count++] = cpu_to_le32(PACKET3_PREAMBLE_END_CLEAR_STATE);
buffer[count++] = cpu_to_le32(PACKET3(PACKET3_CLEAR_STATE, 0));
buffer[count++] = cpu_to_le32(0);
amdgpu_gfx_csb_preamble_end(buffer, count);
}
static void gfx_v11_0_rlc_fini(struct amdgpu_device *adev)