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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2950-drm-amdgpu-add-vcn-doorbell-range-function-to-nbio7..patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2950-drm-amdgpu-add-vcn-doorbell-range-function-to-nbio7..patch74
1 files changed, 74 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2950-drm-amdgpu-add-vcn-doorbell-range-function-to-nbio7..patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2950-drm-amdgpu-add-vcn-doorbell-range-function-to-nbio7..patch
new file mode 100644
index 00000000..6790bc97
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2950-drm-amdgpu-add-vcn-doorbell-range-function-to-nbio7..patch
@@ -0,0 +1,74 @@
+From d8dcc77e99fbab3536ad747b3a8d77996c9ad488 Mon Sep 17 00:00:00 2001
+From: Leo Liu <leo.liu@amd.com>
+Date: Tue, 9 Jul 2019 10:18:36 -0500
+Subject: [PATCH 2950/4256] drm/amdgpu: add vcn doorbell range function to
+ nbio7.4 (v2)
+
+To setup the aperture for VCN2.5
+
+v2: setup vcn doorbells in vcn2.5 hw_init (Alex)
+
+Signed-off-by: Leo Liu <leo.liu@amd.com>
+Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c | 21 +++++++++++++++++++++
+ drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c | 3 +++
+ 2 files changed, 24 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
+index fc45eaeaba6e..d8c9972a315b 100644
+--- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
++++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
+@@ -114,6 +114,26 @@ static void nbio_v7_4_sdma_doorbell_range(struct amdgpu_device *adev, int instan
+ WREG32(reg, doorbell_range);
+ }
+
++static void nbio_v7_4_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell,
++ int doorbell_index)
++{
++ u32 reg = SOC15_REG_OFFSET(NBIO, 0, mmBIF_MMSCH0_DOORBELL_RANGE);
++
++ u32 doorbell_range = RREG32(reg);
++
++ if (use_doorbell) {
++ doorbell_range = REG_SET_FIELD(doorbell_range,
++ BIF_MMSCH0_DOORBELL_RANGE, OFFSET,
++ doorbell_index);
++ doorbell_range = REG_SET_FIELD(doorbell_range,
++ BIF_MMSCH0_DOORBELL_RANGE, SIZE, 8);
++ } else
++ doorbell_range = REG_SET_FIELD(doorbell_range,
++ BIF_MMSCH0_DOORBELL_RANGE, SIZE, 0);
++
++ WREG32(reg, doorbell_range);
++}
++
+ static void nbio_v7_4_enable_doorbell_aperture(struct amdgpu_device *adev,
+ bool enable)
+ {
+@@ -292,6 +312,7 @@ const struct amdgpu_nbio_funcs nbio_v7_4_funcs = {
+ .hdp_flush = nbio_v7_4_hdp_flush,
+ .get_memsize = nbio_v7_4_get_memsize,
+ .sdma_doorbell_range = nbio_v7_4_sdma_doorbell_range,
++ .vcn_doorbell_range = nbio_v7_4_vcn_doorbell_range,
+ .enable_doorbell_aperture = nbio_v7_4_enable_doorbell_aperture,
+ .enable_doorbell_selfring_aperture = nbio_v7_4_enable_doorbell_selfring_aperture,
+ .ih_doorbell_range = nbio_v7_4_ih_doorbell_range,
+diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
+index 0ffc0d60fad8..f9d6819f0260 100644
+--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
++++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
+@@ -205,6 +205,9 @@ static int vcn_v2_5_hw_init(void *handle)
+ struct amdgpu_ring *ring = &adev->vcn.ring_dec;
+ int i, r;
+
++ adev->nbio_funcs->vcn_doorbell_range(adev, ring->use_doorbell,
++ ring->doorbell_index);
++
+ r = amdgpu_ring_test_ring(ring);
+ if (r) {
+ ring->sched.ready = false;
+--
+2.17.1
+