[PATCH] drm/amdgpu/jpeg5: Add support for DPG mode
Sonny Jiang
sonny.jiang at amd.com
Mon Jun 24 17:58:20 UTC 2024
From: Sonny Jiang <sonjiang at amd.com>
Add DPG support for JPEG 5.0
Signed-off-by: Sonny Jiang <sonjiang at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.h | 31 +++++
drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_0.c | 159 ++++++++++++++++++++---
drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_0.h | 6 +
drivers/gpu/drm/amd/amdgpu/soc24.c | 1 +
4 files changed, 180 insertions(+), 17 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.h
index aea31d61d991..f9cdd873ac9b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.h
@@ -60,6 +60,37 @@
RREG32_SOC15(JPEG, inst_idx, mmUVD_DPG_LMA_DATA); \
})
+#define WREG32_SOC24_JPEG_DPG_MODE(inst_idx, offset, value, indirect) \
+ do { \
+ WREG32_SOC15(JPEG, GET_INST(JPEG, inst_idx), \
+ regUVD_DPG_LMA_DATA, value); \
+ WREG32_SOC15(JPEG, GET_INST(JPEG, inst_idx), \
+ regUVD_DPG_LMA_MASK, 0xFFFFFFFF); \
+ WREG32_SOC15( \
+ JPEG, GET_INST(JPEG, inst_idx), \
+ regUVD_DPG_LMA_CTL, \
+ (UVD_DPG_LMA_CTL__READ_WRITE_MASK | \
+ offset << UVD_DPG_LMA_CTL__READ_WRITE_ADDR__SHIFT | \
+ indirect << UVD_DPG_LMA_CTL__SRAM_SEL__SHIFT)); \
+ } while (0)
+
+#define RREG32_SOC24_JPEG_DPG_MODE(inst_idx, offset, mask_en) \
+ do { \
+ WREG32_SOC15(JPEG, GET_INST(JPEG, inst_idx), \
+ regUVD_DPG_LMA_MASK, 0xFFFFFFFF); \
+ WREG32_SOC15(JPEG, GET_INST(JPEG, inst_idx), \
+ regUVD_DPG_LMA_CTL, \
+ (UVD_DPG_LMA_CTL__MASK_EN_MASK | \
+ offset << UVD_DPG_LMA_CTL__READ_WRITE_ADDR__SHIFT)); \
+ RREG32_SOC15(JPEG, inst_idx, regUVD_DPG_LMA_DATA); \
+ } while (0)
+
+#define ADD_SOC24_JPEG_TO_DPG_SRAM(inst_idx, offset, value, indirect) \
+ do { \
+ *adev->jpeg.inst[inst_idx].dpg_sram_curr_addr++ = offset; \
+ *adev->jpeg.inst[inst_idx].dpg_sram_curr_addr++ = value; \
+ } while (0)
+
struct amdgpu_jpeg_reg{
unsigned jpeg_pitch[AMDGPU_MAX_JPEG_RINGS];
};
diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_0.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_0.c
index e766b9463759..d694a276498a 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_0.c
@@ -31,6 +31,7 @@
#include "vcn/vcn_5_0_0_offset.h"
#include "vcn/vcn_5_0_0_sh_mask.h"
#include "ivsrcid/vcn/irqsrcs_vcn_4_0.h"
+#include "jpeg_v5_0_0.h"
static void jpeg_v5_0_0_set_dec_ring_funcs(struct amdgpu_device *adev);
static void jpeg_v5_0_0_set_irq_funcs(struct amdgpu_device *adev);
@@ -137,6 +138,10 @@ static int jpeg_v5_0_0_hw_init(void *handle)
adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
(adev->doorbell_index.vcn.vcn_ring0_1 << 1), 0);
+ /* Skip ring test because pause DPG is not implemented. */
+ if (adev->pg_flags & AMD_PG_SUPPORT_JPEG_DPG)
+ return 0;
+
r = amdgpu_ring_test_helper(ring);
if (r)
return r;
@@ -235,7 +240,7 @@ static void jpeg_v5_0_0_enable_clock_gating(struct amdgpu_device *adev)
WREG32_SOC15(JPEG, 0, regJPEG_CGC_GATE, data);
}
-static int jpeg_v5_0_0_disable_static_power_gating(struct amdgpu_device *adev)
+static int jpeg_v5_0_0_disable_power_gating(struct amdgpu_device *adev)
{
uint32_t data = 0;
@@ -248,14 +253,10 @@ static int jpeg_v5_0_0_disable_static_power_gating(struct amdgpu_device *adev)
WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JPEG_POWER_STATUS), 0,
~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
- /* keep the JPEG in static PG mode */
- WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JPEG_POWER_STATUS), 0,
- ~UVD_JPEG_POWER_STATUS__JPEG_PG_MODE_MASK);
-
return 0;
}
-static int jpeg_v5_0_0_enable_static_power_gating(struct amdgpu_device *adev)
+static int jpeg_v5_0_0_enable_power_gating(struct amdgpu_device *adev)
{
/* enable anti hang mechanism */
WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JPEG_POWER_STATUS),
@@ -273,6 +274,121 @@ static int jpeg_v5_0_0_enable_static_power_gating(struct amdgpu_device *adev)
return 0;
}
+static void jpeg_engine_5_0_0_dpg_clock_gating_mode(struct amdgpu_device *adev,
+ int inst_idx, uint8_t indirect)
+{
+ uint32_t data = 0;
+
+ // JPEG disable CGC
+ if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG)
+ data = 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
+ else
+ data = 0 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
+
+ data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
+ data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
+
+ if (indirect) {
+ ADD_SOC24_JPEG_TO_DPG_SRAM(inst_idx, vcnipJPEG_CGC_CTRL, data, indirect);
+
+ // Turn on All JPEG clocks
+ data = 0;
+ ADD_SOC24_JPEG_TO_DPG_SRAM(inst_idx, vcnipJPEG_CGC_GATE, data, indirect);
+ } else {
+ WREG32_SOC24_JPEG_DPG_MODE(inst_idx, vcnipJPEG_CGC_CTRL, data, indirect);
+
+ // Turn on All JPEG clocks
+ data = 0;
+ WREG32_SOC24_JPEG_DPG_MODE(inst_idx, vcnipJPEG_CGC_GATE, data, indirect);
+ }
+}
+
+/**
+ * jpeg_v5_0_0_start_dpg_mode - Jpeg start with dpg mode
+ *
+ * @adev: amdgpu_device pointer
+ * @inst_idx: instance number index
+ * @indirect: indirectly write sram
+ *
+ * Start JPEG block with dpg mode
+ */
+static int jpeg_v5_0_0_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
+{
+ struct amdgpu_ring *ring = adev->jpeg.inst[inst_idx].ring_dec;
+ uint32_t reg_data = 0;
+
+ jpeg_v5_0_0_enable_power_gating(adev);
+
+ // enable dynamic power gating mode
+ reg_data = RREG32_SOC15(JPEG, inst_idx, regUVD_JPEG_POWER_STATUS);
+ reg_data |= UVD_JPEG_POWER_STATUS__JPEG_PG_MODE_MASK;
+ WREG32_SOC15(JPEG, inst_idx, regUVD_JPEG_POWER_STATUS, reg_data);
+
+ if (indirect)
+ adev->jpeg.inst[inst_idx].dpg_sram_curr_addr =
+ (uint32_t *)adev->jpeg.inst[inst_idx].dpg_sram_cpu_addr;
+
+ jpeg_engine_5_0_0_dpg_clock_gating_mode(adev, inst_idx, indirect);
+
+ /* MJPEG global tiling registers */
+ if (indirect)
+ ADD_SOC24_JPEG_TO_DPG_SRAM(inst_idx, vcnipJPEG_DEC_GFX10_ADDR_CONFIG,
+ adev->gfx.config.gb_addr_config, indirect);
+ else
+ WREG32_SOC24_JPEG_DPG_MODE(inst_idx, vcnipJPEG_DEC_GFX10_ADDR_CONFIG,
+ adev->gfx.config.gb_addr_config, 1);
+
+ /* enable System Interrupt for JRBC */
+ if (indirect)
+ ADD_SOC24_JPEG_TO_DPG_SRAM(inst_idx, vcnipJPEG_SYS_INT_EN,
+ JPEG_SYS_INT_EN__DJRBC0_MASK, indirect);
+ else
+ WREG32_SOC24_JPEG_DPG_MODE(inst_idx, vcnipJPEG_SYS_INT_EN,
+ JPEG_SYS_INT_EN__DJRBC0_MASK, 1);
+
+ if (indirect) {
+ /* add nop to workaround PSP size check */
+ ADD_SOC24_JPEG_TO_DPG_SRAM(inst_idx, vcnipUVD_NO_OP, 0, indirect);
+
+ amdgpu_jpeg_psp_update_sram(adev, inst_idx, 0);
+ }
+
+ WREG32_SOC15(VCN, 0, regVCN_JPEG_DB_CTRL,
+ ring->doorbell_index << VCN_JPEG_DB_CTRL__OFFSET__SHIFT |
+ VCN_JPEG_DB_CTRL__EN_MASK);
+
+ WREG32_SOC15(JPEG, inst_idx, regUVD_LMI_JRBC_RB_VMID, 0);
+ WREG32_SOC15(JPEG, inst_idx, regUVD_JRBC_RB_CNTL, (0x00000001L | 0x00000002L));
+ WREG32_SOC15(JPEG, inst_idx, regUVD_LMI_JRBC_RB_64BIT_BAR_LOW,
+ lower_32_bits(ring->gpu_addr));
+ WREG32_SOC15(JPEG, inst_idx, regUVD_LMI_JRBC_RB_64BIT_BAR_HIGH,
+ upper_32_bits(ring->gpu_addr));
+ WREG32_SOC15(JPEG, inst_idx, regUVD_JRBC_RB_RPTR, 0);
+ WREG32_SOC15(JPEG, inst_idx, regUVD_JRBC_RB_WPTR, 0);
+ WREG32_SOC15(JPEG, inst_idx, regUVD_JRBC_RB_CNTL, 0x00000002L);
+ WREG32_SOC15(JPEG, inst_idx, regUVD_JRBC_RB_SIZE, ring->ring_size / 4);
+ ring->wptr = RREG32_SOC15(JPEG, inst_idx, regUVD_JRBC_RB_WPTR);
+
+ return 0;
+}
+
+/**
+ * jpeg_v5_0_0_stop_dpg_mode - Jpeg stop with dpg mode
+ *
+ * @adev: amdgpu_device pointer
+ * @inst_idx: instance number index
+ *
+ * Stop JPEG block with dpg mode
+ */
+static void jpeg_v5_0_0_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx)
+{
+ uint32_t reg_data = 0;
+
+ reg_data = RREG32_SOC15(JPEG, inst_idx, regUVD_JPEG_POWER_STATUS);
+ reg_data &= ~UVD_JPEG_POWER_STATUS__JPEG_PG_MODE_MASK;
+ WREG32_SOC15(JPEG, inst_idx, regUVD_JPEG_POWER_STATUS, reg_data);
+}
+
/**
* jpeg_v5_0_0_start - start JPEG block
*
@@ -288,8 +404,13 @@ static int jpeg_v5_0_0_start(struct amdgpu_device *adev)
if (adev->pm.dpm_enabled)
amdgpu_dpm_enable_jpeg(adev, true);
+ if (adev->pg_flags & AMD_PG_SUPPORT_JPEG_DPG) {
+ r = jpeg_v5_0_0_start_dpg_mode(adev, 0, adev->jpeg.indirect_sram);
+ return r;
+ }
+
/* disable power gating */
- r = jpeg_v5_0_0_disable_static_power_gating(adev);
+ r = jpeg_v5_0_0_disable_power_gating(adev);
if (r)
return r;
@@ -300,7 +421,6 @@ static int jpeg_v5_0_0_start(struct amdgpu_device *adev)
WREG32_SOC15(JPEG, 0, regJPEG_DEC_GFX10_ADDR_CONFIG,
adev->gfx.config.gb_addr_config);
-
/* enable JMI channel */
WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JMI_CNTL), 0,
~UVD_JMI_CNTL__SOFT_RESET_MASK);
@@ -340,17 +460,22 @@ static int jpeg_v5_0_0_stop(struct amdgpu_device *adev)
{
int r;
- /* reset JMI */
- WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JMI_CNTL),
- UVD_JMI_CNTL__SOFT_RESET_MASK,
- ~UVD_JMI_CNTL__SOFT_RESET_MASK);
+ if (adev->pg_flags & AMD_PG_SUPPORT_JPEG_DPG) {
+ jpeg_v5_0_0_stop_dpg_mode(adev, 0);
+ } else {
- jpeg_v5_0_0_enable_clock_gating(adev);
+ /* reset JMI */
+ WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JMI_CNTL),
+ UVD_JMI_CNTL__SOFT_RESET_MASK,
+ ~UVD_JMI_CNTL__SOFT_RESET_MASK);
- /* enable power gating */
- r = jpeg_v5_0_0_enable_static_power_gating(adev);
- if (r)
- return r;
+ jpeg_v5_0_0_enable_clock_gating(adev);
+
+ /* enable power gating */
+ r = jpeg_v5_0_0_enable_power_gating(adev);
+ if (r)
+ return r;
+ }
if (adev->pm.dpm_enabled)
amdgpu_dpm_enable_jpeg(adev, false);
diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_0.h b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_0.h
index bd348336b215..5abb96159814 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_0.h
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_0.h
@@ -24,6 +24,12 @@
#ifndef __JPEG_V5_0_0_H__
#define __JPEG_V5_0_0_H__
+#define vcnipJPEG_CGC_GATE 0x4160
+#define vcnipJPEG_CGC_CTRL 0x4161
+#define vcnipJPEG_SYS_INT_EN 0x4141
+#define vcnipUVD_NO_OP 0x0029
+#define vcnipJPEG_DEC_GFX10_ADDR_CONFIG 0x404A
+
extern const struct amdgpu_ip_block_version jpeg_v5_0_0_ip_block;
#endif /* __JPEG_V5_0_0_H__ */
diff --git a/drivers/gpu/drm/amd/amdgpu/soc24.c b/drivers/gpu/drm/amd/amdgpu/soc24.c
index a15673e2dc99..d27fb4ea6612 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc24.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc24.c
@@ -428,6 +428,7 @@ static int soc24_common_early_init(void *handle)
adev->pg_flags = AMD_PG_SUPPORT_VCN |
AMD_PG_SUPPORT_JPEG |
+ AMD_PG_SUPPORT_JPEG_DPG |
AMD_PG_SUPPORT_VCN_DPG;
adev->external_rev_id = adev->rev_id + 0x50;
break;
--
2.45.1
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