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authorLijo Lazar <lijo.lazar@amd.com>2025-12-08 18:38:52 +0530
committerAlex Deucher <alexander.deucher@amd.com>2026-03-02 16:43:10 -0500
commit366201e790f10ddc081ef787e2e345553b87459d (patch)
treec1ac552ffa98ddb3c1f915726417a7aad18e3816 /drivers/gpu
parentf4eb08f8b216c334752246fe24e1304477d78968 (diff)
downloadlwn-366201e790f10ddc081ef787e2e345553b87459d.tar.gz
lwn-366201e790f10ddc081ef787e2e345553b87459d.zip
drm/amdgpu: Add uvd indirect to register block
Add uvd indirect method to register access block and replace the existing calls from adev. Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu.h10
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c3
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_reg_access.c25
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_reg_access.h3
-rw-r--r--drivers/gpu/drm/amd/amdgpu/cik.c12
-rw-r--r--drivers/gpu/drm/amd/amdgpu/nv.c4
-rw-r--r--drivers/gpu/drm/amd/amdgpu/si.c12
-rw-r--r--drivers/gpu/drm/amd/amdgpu/soc15.c12
-rw-r--r--drivers/gpu/drm/amd/amdgpu/soc21.c4
-rw-r--r--drivers/gpu/drm/amd/amdgpu/soc24.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/soc_v1_0.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/vi.c12
12 files changed, 55 insertions, 46 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 77813928450b..f373078d4885 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -913,11 +913,7 @@ struct amdgpu_device {
amdgpu_rreg64_t pcie_rreg64;
amdgpu_wreg64_t pcie_wreg64;
amdgpu_rreg64_ext_t pcie_rreg64_ext;
- amdgpu_wreg64_ext_t pcie_wreg64_ext;
- /* protects concurrent UVD register access */
- spinlock_t uvd_ctx_idx_lock;
- amdgpu_rreg_t uvd_ctx_rreg;
- amdgpu_wreg_t uvd_ctx_wreg;
+ amdgpu_wreg64_ext_t pcie_wreg64_ext;
/* protects concurrent DIDT register access */
spinlock_t didt_idx_lock;
amdgpu_rreg_t didt_rreg;
@@ -1340,8 +1336,8 @@ int emu_soc_asic_init(struct amdgpu_device *adev);
#define WREG64_PCIE_EXT(reg, v) adev->pcie_wreg64_ext(adev, (reg), (v))
#define RREG32_SMC(reg) amdgpu_reg_smc_rd32(adev, (reg))
#define WREG32_SMC(reg, v) amdgpu_reg_smc_wr32(adev, (reg), (v))
-#define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
-#define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
+#define RREG32_UVD_CTX(reg) amdgpu_reg_uvd_ctx_rd32(adev, (reg))
+#define WREG32_UVD_CTX(reg, v) amdgpu_reg_uvd_ctx_wr32(adev, (reg), (v))
#define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
#define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
#define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index f6ca7514a36d..d5f92aeab94c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3842,8 +3842,6 @@ int amdgpu_device_init(struct amdgpu_device *adev,
adev->pcie_wreg64 = &amdgpu_invalid_wreg64;
adev->pcie_rreg64_ext = &amdgpu_invalid_rreg64_ext;
adev->pcie_wreg64_ext = &amdgpu_invalid_wreg64_ext;
- adev->uvd_ctx_rreg = &amdgpu_invalid_rreg;
- adev->uvd_ctx_wreg = &amdgpu_invalid_wreg;
adev->didt_rreg = &amdgpu_invalid_rreg;
adev->didt_wreg = &amdgpu_invalid_wreg;
adev->gc_cac_rreg = &amdgpu_invalid_rreg;
@@ -3895,7 +3893,6 @@ int amdgpu_device_init(struct amdgpu_device *adev,
spin_lock_init(&adev->mmio_idx_lock);
spin_lock_init(&adev->pcie_idx_lock);
- spin_lock_init(&adev->uvd_ctx_idx_lock);
spin_lock_init(&adev->didt_idx_lock);
spin_lock_init(&adev->gc_cac_idx_lock);
spin_lock_init(&adev->se_cac_idx_lock);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_reg_access.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_reg_access.c
index 5debc5c39101..1f5d6be9a0fd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_reg_access.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_reg_access.c
@@ -38,6 +38,10 @@ void amdgpu_reg_access_init(struct amdgpu_device *adev)
spin_lock_init(&adev->reg.smc.lock);
adev->reg.smc.rreg = NULL;
adev->reg.smc.wreg = NULL;
+
+ spin_lock_init(&adev->reg.uvd_ctx.lock);
+ adev->reg.uvd_ctx.rreg = NULL;
+ adev->reg.uvd_ctx.wreg = NULL;
}
uint32_t amdgpu_reg_smc_rd32(struct amdgpu_device *adev, uint32_t reg)
@@ -58,6 +62,27 @@ void amdgpu_reg_smc_wr32(struct amdgpu_device *adev, uint32_t reg, uint32_t v)
adev->reg.smc.wreg(adev, reg, v);
}
+uint32_t amdgpu_reg_uvd_ctx_rd32(struct amdgpu_device *adev, uint32_t reg)
+{
+ if (!adev->reg.uvd_ctx.rreg) {
+ dev_err_once(adev->dev,
+ "UVD_CTX register read not supported\n");
+ return 0;
+ }
+ return adev->reg.uvd_ctx.rreg(adev, reg);
+}
+
+void amdgpu_reg_uvd_ctx_wr32(struct amdgpu_device *adev, uint32_t reg,
+ uint32_t v)
+{
+ if (!adev->reg.uvd_ctx.wreg) {
+ dev_err_once(adev->dev,
+ "UVD_CTX register write not supported\n");
+ return;
+ }
+ adev->reg.uvd_ctx.wreg(adev, reg, v);
+}
+
/*
* register access helper functions.
*/
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_reg_access.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_reg_access.h
index 225d89eabed5..0d66a13c8d5c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_reg_access.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_reg_access.h
@@ -40,11 +40,14 @@ struct amdgpu_reg_ind {
struct amdgpu_reg_access {
struct amdgpu_reg_ind smc;
+ struct amdgpu_reg_ind uvd_ctx;
};
void amdgpu_reg_access_init(struct amdgpu_device *adev);
uint32_t amdgpu_reg_smc_rd32(struct amdgpu_device *adev, uint32_t reg);
void amdgpu_reg_smc_wr32(struct amdgpu_device *adev, uint32_t reg, uint32_t v);
+uint32_t amdgpu_reg_uvd_ctx_rd32(struct amdgpu_device *adev, uint32_t reg);
+void amdgpu_reg_uvd_ctx_wr32(struct amdgpu_device *adev, uint32_t reg, uint32_t v);
typedef uint32_t (*amdgpu_rreg_ext_t)(struct amdgpu_device *, uint64_t);
typedef void (*amdgpu_wreg_ext_t)(struct amdgpu_device *, uint64_t, uint32_t);
diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c
index cd5cd5da4d47..342a496b6020 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik.c
@@ -201,10 +201,10 @@ static u32 cik_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg)
unsigned long flags;
u32 r;
- spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
+ spin_lock_irqsave(&adev->reg.uvd_ctx.lock, flags);
WREG32(mmUVD_CTX_INDEX, ((reg) & 0x1ff));
r = RREG32(mmUVD_CTX_DATA);
- spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
+ spin_unlock_irqrestore(&adev->reg.uvd_ctx.lock, flags);
return r;
}
@@ -212,10 +212,10 @@ static void cik_uvd_ctx_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
{
unsigned long flags;
- spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
+ spin_lock_irqsave(&adev->reg.uvd_ctx.lock, flags);
WREG32(mmUVD_CTX_INDEX, ((reg) & 0x1ff));
WREG32(mmUVD_CTX_DATA, (v));
- spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
+ spin_unlock_irqrestore(&adev->reg.uvd_ctx.lock, flags);
}
static u32 cik_didt_rreg(struct amdgpu_device *adev, u32 reg)
@@ -1988,8 +1988,8 @@ static int cik_common_early_init(struct amdgpu_ip_block *ip_block)
adev->reg.smc.wreg = cik_smc_wreg;
adev->pcie_rreg = &cik_pcie_rreg;
adev->pcie_wreg = &cik_pcie_wreg;
- adev->uvd_ctx_rreg = &cik_uvd_ctx_rreg;
- adev->uvd_ctx_wreg = &cik_uvd_ctx_wreg;
+ adev->reg.uvd_ctx.rreg = &cik_uvd_ctx_rreg;
+ adev->reg.uvd_ctx.wreg = &cik_uvd_ctx_wreg;
adev->didt_rreg = &cik_didt_rreg;
adev->didt_wreg = &cik_didt_wreg;
diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
index 2e7cd27e45c9..d0bc2dcd3066 100644
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -642,10 +642,6 @@ static int nv_common_early_init(struct amdgpu_ip_block *ip_block)
adev->pciep_rreg = amdgpu_device_pcie_port_rreg;
adev->pciep_wreg = amdgpu_device_pcie_port_wreg;
- /* TODO: will add them during VCN v2 implementation */
- adev->uvd_ctx_rreg = NULL;
- adev->uvd_ctx_wreg = NULL;
-
adev->didt_rreg = &nv_didt_rreg;
adev->didt_wreg = &nv_didt_wreg;
diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c
index cbdf8a1c6511..bbf352ce8a64 100644
--- a/drivers/gpu/drm/amd/amdgpu/si.c
+++ b/drivers/gpu/drm/amd/amdgpu/si.c
@@ -1099,10 +1099,10 @@ static u32 si_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg)
unsigned long flags;
u32 r;
- spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
+ spin_lock_irqsave(&adev->reg.uvd_ctx.lock, flags);
WREG32(mmUVD_CTX_INDEX, ((reg) & 0x1ff));
r = RREG32(mmUVD_CTX_DATA);
- spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
+ spin_unlock_irqrestore(&adev->reg.uvd_ctx.lock, flags);
return r;
}
@@ -1110,10 +1110,10 @@ static void si_uvd_ctx_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
{
unsigned long flags;
- spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
+ spin_lock_irqsave(&adev->reg.uvd_ctx.lock, flags);
WREG32(mmUVD_CTX_INDEX, ((reg) & 0x1ff));
WREG32(mmUVD_CTX_DATA, (v));
- spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
+ spin_unlock_irqrestore(&adev->reg.uvd_ctx.lock, flags);
}
static struct amdgpu_allowed_register_entry si_allowed_read_registers[] = {
@@ -2043,8 +2043,8 @@ static int si_common_early_init(struct amdgpu_ip_block *ip_block)
adev->pcie_wreg = &si_pcie_wreg;
adev->pciep_rreg = &si_pciep_rreg;
adev->pciep_wreg = &si_pciep_wreg;
- adev->uvd_ctx_rreg = si_uvd_ctx_rreg;
- adev->uvd_ctx_wreg = si_uvd_ctx_wreg;
+ adev->reg.uvd_ctx.rreg = &si_uvd_ctx_rreg;
+ adev->reg.uvd_ctx.wreg = &si_uvd_ctx_wreg;
adev->didt_rreg = NULL;
adev->didt_wreg = NULL;
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index 057787ffd19c..44bc1b71e395 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -245,10 +245,10 @@ static u32 soc15_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg)
address = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_INDEX);
data = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_DATA);
- spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
+ spin_lock_irqsave(&adev->reg.uvd_ctx.lock, flags);
WREG32(address, ((reg) & 0x1ff));
r = RREG32(data);
- spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
+ spin_unlock_irqrestore(&adev->reg.uvd_ctx.lock, flags);
return r;
}
@@ -259,10 +259,10 @@ static void soc15_uvd_ctx_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
address = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_INDEX);
data = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_DATA);
- spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
+ spin_lock_irqsave(&adev->reg.uvd_ctx.lock, flags);
WREG32(address, ((reg) & 0x1ff));
WREG32(data, (v));
- spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
+ spin_unlock_irqrestore(&adev->reg.uvd_ctx.lock, flags);
}
static u32 soc15_didt_rreg(struct amdgpu_device *adev, u32 reg)
@@ -969,8 +969,8 @@ static int soc15_common_early_init(struct amdgpu_ip_block *ip_block)
adev->pcie_wreg64 = &amdgpu_device_indirect_wreg64;
adev->pcie_rreg64_ext = &amdgpu_device_indirect_rreg64_ext;
adev->pcie_wreg64_ext = &amdgpu_device_indirect_wreg64_ext;
- adev->uvd_ctx_rreg = &soc15_uvd_ctx_rreg;
- adev->uvd_ctx_wreg = &soc15_uvd_ctx_wreg;
+ adev->reg.uvd_ctx.rreg = &soc15_uvd_ctx_rreg;
+ adev->reg.uvd_ctx.wreg = &soc15_uvd_ctx_wreg;
adev->didt_rreg = &soc15_didt_rreg;
adev->didt_wreg = &soc15_didt_wreg;
adev->gc_cac_rreg = &soc15_gc_cac_rreg;
diff --git a/drivers/gpu/drm/amd/amdgpu/soc21.c b/drivers/gpu/drm/amd/amdgpu/soc21.c
index 4d4c1adf00d1..75ed71b1f242 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc21.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc21.c
@@ -596,10 +596,6 @@ static int soc21_common_early_init(struct amdgpu_ip_block *ip_block)
adev->pciep_rreg = amdgpu_device_pcie_port_rreg;
adev->pciep_wreg = amdgpu_device_pcie_port_wreg;
- /* TODO: will add them during VCN v2 implementation */
- adev->uvd_ctx_rreg = NULL;
- adev->uvd_ctx_wreg = NULL;
-
adev->didt_rreg = &soc21_didt_rreg;
adev->didt_wreg = &soc21_didt_wreg;
diff --git a/drivers/gpu/drm/amd/amdgpu/soc24.c b/drivers/gpu/drm/amd/amdgpu/soc24.c
index 867cc4fdc98f..d4f3df165090 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc24.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc24.c
@@ -368,8 +368,6 @@ static int soc24_common_early_init(struct amdgpu_ip_block *ip_block)
adev->pcie_wreg64 = &amdgpu_device_indirect_wreg64;
adev->pciep_rreg = amdgpu_device_pcie_port_rreg;
adev->pciep_wreg = amdgpu_device_pcie_port_wreg;
- adev->uvd_ctx_rreg = NULL;
- adev->uvd_ctx_wreg = NULL;
adev->didt_rreg = NULL;
adev->didt_wreg = NULL;
diff --git a/drivers/gpu/drm/amd/amdgpu/soc_v1_0.c b/drivers/gpu/drm/amd/amdgpu/soc_v1_0.c
index f8a49424adeb..6439b09656bf 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc_v1_0.c
@@ -260,8 +260,6 @@ static int soc_v1_0_common_early_init(struct amdgpu_ip_block *ip_block)
adev->pciep_wreg = amdgpu_device_pcie_port_wreg;
adev->pcie_rreg64_ext = &amdgpu_device_indirect_rreg64_ext;
adev->pcie_wreg64_ext = &amdgpu_device_indirect_wreg64_ext;
- adev->uvd_ctx_rreg = NULL;
- adev->uvd_ctx_wreg = NULL;
adev->didt_rreg = NULL;
adev->didt_wreg = NULL;
diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
index 925cc275fe84..7d3b331d9217 100644
--- a/drivers/gpu/drm/amd/amdgpu/vi.c
+++ b/drivers/gpu/drm/amd/amdgpu/vi.c
@@ -372,10 +372,10 @@ static u32 vi_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg)
unsigned long flags;
u32 r;
- spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
+ spin_lock_irqsave(&adev->reg.uvd_ctx.lock, flags);
WREG32(mmUVD_CTX_INDEX, ((reg) & 0x1ff));
r = RREG32(mmUVD_CTX_DATA);
- spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
+ spin_unlock_irqrestore(&adev->reg.uvd_ctx.lock, flags);
return r;
}
@@ -383,10 +383,10 @@ static void vi_uvd_ctx_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
{
unsigned long flags;
- spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
+ spin_lock_irqsave(&adev->reg.uvd_ctx.lock, flags);
WREG32(mmUVD_CTX_INDEX, ((reg) & 0x1ff));
WREG32(mmUVD_CTX_DATA, (v));
- spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
+ spin_unlock_irqrestore(&adev->reg.uvd_ctx.lock, flags);
}
static u32 vi_didt_rreg(struct amdgpu_device *adev, u32 reg)
@@ -1462,8 +1462,8 @@ static int vi_common_early_init(struct amdgpu_ip_block *ip_block)
}
adev->pcie_rreg = &vi_pcie_rreg;
adev->pcie_wreg = &vi_pcie_wreg;
- adev->uvd_ctx_rreg = &vi_uvd_ctx_rreg;
- adev->uvd_ctx_wreg = &vi_uvd_ctx_wreg;
+ adev->reg.uvd_ctx.rreg = &vi_uvd_ctx_rreg;
+ adev->reg.uvd_ctx.wreg = &vi_uvd_ctx_wreg;
adev->didt_rreg = &vi_didt_rreg;
adev->didt_wreg = &vi_didt_wreg;
adev->gc_cac_rreg = &vi_gc_cac_rreg;