RE: [PATCH 1/2] drm/amdgpu: Initialize RRMT status on JPEG v5.0.1

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Series is

Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>

Regards,
Hawking
-----Original Message-----
From: Lazar, Lijo <Lijo.Lazar@xxxxxxx>
Sent: Friday, February 21, 2025 23:23
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Zhang, Hawking <Hawking.Zhang@xxxxxxx>; Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Liu, Leo <Leo.Liu@xxxxxxx>; Sundararaju, Sathishkumar <Sathishkumar.Sundararaju@xxxxxxx>
Subject: [PATCH 1/2] drm/amdgpu: Initialize RRMT status on JPEG v5.0.1

Initialize RRMT enablement status from register.

Signed-off-by: Lijo Lazar <lijo.lazar@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c | 3 +++  drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.h | 5 ++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

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 5d4e2a09acca..0d63af6ac68e 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c
@@ -239,6 +239,9 @@ static int jpeg_v5_0_1_hw_init(struct amdgpu_ip_block *ip_block)
                }
                return 0;
        }
+       if (RREG32_SOC15(VCN, GET_INST(VCN, 0), regVCN_RRMT_CNTL) & 0x100)
+               adev->jpeg.caps |= AMDGPU_JPEG_CAPS(RRMT_ENABLED);
+
        for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) {
                jpeg_inst = GET_INST(JPEG, i);
                ring = adev->jpeg.inst[i].ring_dec;
diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.h b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.h
index 9de3272ef47f..ea1105b11705 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.h
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.h
@@ -87,4 +87,7 @@ extern const struct amdgpu_ip_block_version jpeg_v5_0_1_ip_block;
 #define regUVD_JRBC9_UVD_JRBC_RB_RPTR             0x044a
 #define regUVD_JRBC9_UVD_JRBC_RB_RPTR_BASE_IDX    1

-#endif /* __JPEG_V5_0_0_H__ */
+#define regVCN_RRMT_CNTL                          0x0940
+#define regVCN_RRMT_CNTL_BASE_IDX                 1
+
+#endif /* __JPEG_V5_0_1_H__ */
--
2.25.1





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