[PATCH 1/3] drm/amdgpu: Per-instance init func for JPEG5_0_1
Sathishkumar S
sathishkumar.sundararaju at amd.com
Thu Feb 20 18:36:51 UTC 2025
Add helper functions to handle per-instance and per-core
initialization and deinitialization in JPEG5_0_1.
Signed-off-by: Sathishkumar S <sathishkumar.sundararaju at amd.com>
---
drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c | 150 +++++++++++------------
1 file changed, 69 insertions(+), 81 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c
index 6e3f522e9133..07481cea55c2 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c
@@ -326,11 +326,10 @@ static int jpeg_v5_0_1_resume(struct amdgpu_ip_block *ip_block)
return r;
}
-static int jpeg_v5_0_1_disable_antihang(struct amdgpu_device *adev, int inst_idx)
+static void jpeg_v5_0_1_init_inst(struct amdgpu_device *adev, int i)
{
- int jpeg_inst;
+ int jpeg_inst = GET_INST(JPEG, i);
- jpeg_inst = GET_INST(JPEG, inst_idx);
/* disable anti hang mechanism */
WREG32_P(SOC15_REG_OFFSET(JPEG, jpeg_inst, regUVD_JPEG_POWER_STATUS), 0,
~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
@@ -339,20 +338,75 @@ static int jpeg_v5_0_1_disable_antihang(struct amdgpu_device *adev, int inst_idx
WREG32_P(SOC15_REG_OFFSET(JPEG, jpeg_inst, regUVD_JPEG_POWER_STATUS), 0,
~UVD_JPEG_POWER_STATUS__JPEG_PG_MODE_MASK);
- return 0;
+ /* MJPEG global tiling registers */
+ WREG32_SOC15(JPEG, 0, regJPEG_DEC_GFX10_ADDR_CONFIG,
+ adev->gfx.config.gb_addr_config);
+
+ /* enable JMI channel */
+ WREG32_P(SOC15_REG_OFFSET(JPEG, jpeg_inst, regUVD_JMI_CNTL), 0,
+ ~UVD_JMI_CNTL__SOFT_RESET_MASK);
}
-static int jpeg_v5_0_1_enable_antihang(struct amdgpu_device *adev, int inst_idx)
+static void jpeg_v5_0_1_deinit_inst(struct amdgpu_device *adev, int i)
{
- int jpeg_inst;
+ int jpeg_inst = GET_INST(JPEG, i);
+ /* reset JMI */
+ WREG32_P(SOC15_REG_OFFSET(JPEG, jpeg_inst, regUVD_JMI_CNTL),
+ UVD_JMI_CNTL__SOFT_RESET_MASK,
+ ~UVD_JMI_CNTL__SOFT_RESET_MASK);
- jpeg_inst = GET_INST(JPEG, inst_idx);
/* enable anti hang mechanism */
WREG32_P(SOC15_REG_OFFSET(JPEG, jpeg_inst, regUVD_JPEG_POWER_STATUS),
UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK,
- ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
+ ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
+}
- return 0;
+static void jpeg_v5_0_1_init_jrbc(struct amdgpu_ring *ring)
+{
+ struct amdgpu_device *adev = ring->adev;
+ u32 reg, data, mask;
+ int jpeg_inst = GET_INST(JPEG, ring->me);
+ int reg_offset = ring->pipe ? jpeg_v5_0_1_core_reg_offset(ring->pipe) : 0;
+
+ /* enable System Interrupt for JRBC */
+ reg = SOC15_REG_OFFSET(JPEG, jpeg_inst, regJPEG_SYS_INT_EN);
+ if (ring->pipe < AMDGPU_MAX_JPEG_RINGS_4_0_3) {
+ data = JPEG_SYS_INT_EN__DJRBC0_MASK << ring->pipe;
+ mask = ~(JPEG_SYS_INT_EN__DJRBC0_MASK << ring->pipe);
+ WREG32_P(reg, data, mask);
+ } else {
+ data = JPEG_SYS_INT_EN__DJRBC0_MASK << (ring->pipe+12);
+ mask = ~(JPEG_SYS_INT_EN__DJRBC0_MASK << (ring->pipe+12));
+ WREG32_P(reg, data, mask);
+ }
+
+ WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
+ regUVD_LMI_JRBC_RB_VMID,
+ reg_offset, 0);
+ WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
+ regUVD_JRBC_RB_CNTL,
+ reg_offset,
+ (0x00000001L | 0x00000002L));
+ WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
+ regUVD_LMI_JRBC_RB_64BIT_BAR_LOW,
+ reg_offset, lower_32_bits(ring->gpu_addr));
+ WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
+ regUVD_LMI_JRBC_RB_64BIT_BAR_HIGH,
+ reg_offset, upper_32_bits(ring->gpu_addr));
+ WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
+ regUVD_JRBC_RB_RPTR,
+ reg_offset, 0);
+ WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
+ regUVD_JRBC_RB_WPTR,
+ reg_offset, 0);
+ WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
+ regUVD_JRBC_RB_CNTL,
+ reg_offset, 0x00000002L);
+ WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
+ regUVD_JRBC_RB_SIZE,
+ reg_offset, ring->ring_size / 4);
+ ring->wptr = RREG32_SOC15_OFFSET(JPEG, jpeg_inst, regUVD_JRBC_RB_WPTR,
+ reg_offset);
}
/**
@@ -365,69 +419,13 @@ static int jpeg_v5_0_1_enable_antihang(struct amdgpu_device *adev, int inst_idx)
static int jpeg_v5_0_1_start(struct amdgpu_device *adev)
{
struct amdgpu_ring *ring;
- int i, j, jpeg_inst, r;
+ int i, j;
for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) {
- jpeg_inst = GET_INST(JPEG, i);
-
- /* disable antihang */
- r = jpeg_v5_0_1_disable_antihang(adev, i);
- if (r)
- return r;
-
- /* MJPEG global tiling registers */
- WREG32_SOC15(JPEG, 0, regJPEG_DEC_GFX10_ADDR_CONFIG,
- adev->gfx.config.gb_addr_config);
-
- /* enable JMI channel */
- WREG32_P(SOC15_REG_OFFSET(JPEG, jpeg_inst, regUVD_JMI_CNTL), 0,
- ~UVD_JMI_CNTL__SOFT_RESET_MASK);
-
+ jpeg_v5_0_1_init_inst(adev, i);
for (j = 0; j < adev->jpeg.num_jpeg_rings; ++j) {
- int reg_offset = (j ? jpeg_v5_0_1_core_reg_offset(j) : 0);
- u32 reg, data, mask;
-
ring = &adev->jpeg.inst[i].ring_dec[j];
-
- /* enable System Interrupt for JRBC */
- reg = SOC15_REG_OFFSET(JPEG, jpeg_inst, regJPEG_SYS_INT_EN);
- if (j < AMDGPU_MAX_JPEG_RINGS_4_0_3) {
- data = JPEG_SYS_INT_EN__DJRBC0_MASK << j;
- mask = ~(JPEG_SYS_INT_EN__DJRBC0_MASK << j);
- WREG32_P(reg, data, mask);
- } else {
- data = JPEG_SYS_INT_EN__DJRBC0_MASK << (j+12);
- mask = ~(JPEG_SYS_INT_EN__DJRBC0_MASK << (j+12));
- WREG32_P(reg, data, mask);
- }
-
- WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
- regUVD_LMI_JRBC_RB_VMID,
- reg_offset, 0);
- WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
- regUVD_JRBC_RB_CNTL,
- reg_offset,
- (0x00000001L | 0x00000002L));
- WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
- regUVD_LMI_JRBC_RB_64BIT_BAR_LOW,
- reg_offset, lower_32_bits(ring->gpu_addr));
- WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
- regUVD_LMI_JRBC_RB_64BIT_BAR_HIGH,
- reg_offset, upper_32_bits(ring->gpu_addr));
- WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
- regUVD_JRBC_RB_RPTR,
- reg_offset, 0);
- WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
- regUVD_JRBC_RB_WPTR,
- reg_offset, 0);
- WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
- regUVD_JRBC_RB_CNTL,
- reg_offset, 0x00000002L);
- WREG32_SOC15_OFFSET(JPEG, jpeg_inst,
- regUVD_JRBC_RB_SIZE,
- reg_offset, ring->ring_size / 4);
- ring->wptr = RREG32_SOC15_OFFSET(JPEG, jpeg_inst, regUVD_JRBC_RB_WPTR,
- reg_offset);
+ jpeg_v5_0_1_init_jrbc(ring);
}
}
@@ -443,20 +441,10 @@ static int jpeg_v5_0_1_start(struct amdgpu_device *adev)
*/
static int jpeg_v5_0_1_stop(struct amdgpu_device *adev)
{
- int i, jpeg_inst, r;
-
- for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) {
- jpeg_inst = GET_INST(JPEG, i);
- /* reset JMI */
- WREG32_P(SOC15_REG_OFFSET(JPEG, jpeg_inst, regUVD_JMI_CNTL),
- UVD_JMI_CNTL__SOFT_RESET_MASK,
- ~UVD_JMI_CNTL__SOFT_RESET_MASK);
+ int i;
- /* enable antihang */
- r = jpeg_v5_0_1_enable_antihang(adev, i);
- if (r)
- return r;
- }
+ for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i)
+ jpeg_v5_0_1_deinit_inst(adev, i);
return 0;
}
--
2.25.1
More information about the amd-gfx
mailing list