From: Leo Liu <leo.liu@xxxxxxx>
JPEG engine initialization and suspend sequences
Signed-off-by: Leo Liu <leo.liu@xxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c | 104 ++++++++++++++++++++++++++
1 file changed, 104 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
index b42f6769ae06..82c9c40e9ae4 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
@@ -530,6 +530,104 @@ static void vcn_v2_5_enable_clock_gating(struct amdgpu_device *adev)
WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data);
}
+/**
+ * jpeg_v2_5_start - start JPEG block
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Setup and start the JPEG block
+ */
+static int jpeg_v2_5_start(struct amdgpu_device *adev)
+{
+ struct amdgpu_ring *ring = &adev->vcn.ring_jpeg;
+ uint32_t tmp;
+
+ /* disable anti hang mechanism */
+ WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_JPEG_POWER_STATUS), 0,
+ ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
+
+ /* JPEG disable CGC */
+ tmp = RREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL);
+ tmp |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
+ tmp |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
+ tmp |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
+ WREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL, tmp);
+
+ tmp = RREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE);
+ tmp &= ~(JPEG_CGC_GATE__JPEG_DEC_MASK
+ | JPEG_CGC_GATE__JPEG2_DEC_MASK
+ | JPEG_CGC_GATE__JMCIF_MASK
+ | JPEG_CGC_GATE__JRBBM_MASK);
+ WREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE, tmp);
+
+ tmp = RREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL);
+ tmp &= ~(JPEG_CGC_CTRL__JPEG_DEC_MODE_MASK
+ | JPEG_CGC_CTRL__JPEG2_DEC_MODE_MASK
+ | JPEG_CGC_CTRL__JMCIF_MODE_MASK
+ | JPEG_CGC_CTRL__JRBBM_MODE_MASK);
+ WREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL, tmp);
+
+ /* MJPEG global tiling registers */
+ WREG32_SOC15(UVD, 0, mmJPEG_DEC_GFX8_ADDR_CONFIG,
+ adev->gfx.config.gb_addr_config);
+ WREG32_SOC15(UVD, 0, mmJPEG_DEC_GFX10_ADDR_CONFIG,
+ adev->gfx.config.gb_addr_config);
+
+ /* enable JMI channel */
+ WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_JMI_CNTL), 0,
+ ~UVD_JMI_CNTL__SOFT_RESET_MASK);
+
+ /* enable System Interrupt for JRBC */
+ WREG32_P(SOC15_REG_OFFSET(VCN, 0, mmJPEG_SYS_INT_EN),
+ JPEG_SYS_INT_EN__DJRBC_MASK,
+ ~JPEG_SYS_INT_EN__DJRBC_MASK);
+
+ WREG32_SOC15(UVD, 0, mmUVD_LMI_JRBC_RB_VMID, 0);
+ WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_CNTL, (0x00000001L | 0x00000002L));
+ WREG32_SOC15(UVD, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_LOW,
+ lower_32_bits(ring->gpu_addr));
+ WREG32_SOC15(UVD, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_HIGH,
+ upper_32_bits(ring->gpu_addr));
+ WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_RPTR, 0);
+ WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR, 0);
+ WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_CNTL, 0x00000002L);
+ WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_SIZE, ring->ring_size / 4);
+ ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR);
+
+ return 0;
+}
+
+/**
+ * jpeg_v2_5_stop - stop JPEG block
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * stop the JPEG block
+ */
+static int jpeg_v2_5_stop(struct amdgpu_device *adev)
+{
+ uint32_t tmp;
+
+ /* reset JMI */
+ WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_JMI_CNTL),
+ UVD_JMI_CNTL__SOFT_RESET_MASK,
+ ~UVD_JMI_CNTL__SOFT_RESET_MASK);
+
+ tmp = RREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE);
+ tmp |= (JPEG_CGC_GATE__JPEG_DEC_MASK
+ |JPEG_CGC_GATE__JPEG2_DEC_MASK
+ |JPEG_CGC_GATE__JMCIF_MASK
+ |JPEG_CGC_GATE__JRBBM_MASK);
+ WREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE, tmp);
+
+ /* enable anti hang mechanism */
+ WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_JPEG_POWER_STATUS),
+ UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK,
+ ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
+
+ return 0;
+}
+
static int vcn_v2_5_start(struct amdgpu_device *adev)
{
struct amdgpu_ring *ring = &adev->vcn.ring_dec;
@@ -688,6 +786,8 @@ static int vcn_v2_5_start(struct amdgpu_device *adev)
WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE2, ring->ring_size / 4);
+ r = jpeg_v2_5_start(adev);
+
return r;
}
@@ -696,6 +796,10 @@ static int vcn_v2_5_stop(struct amdgpu_device *adev)
uint32_t tmp;
int r;
+ r = jpeg_v2_5_stop(adev);
+ if (r)
+ return r;
+
/* wait for vcn idle */
SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7, r);
if (r)
--
2.20.1
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