[PATCH 2/2] drm/amdgpu: move default gart size setting into gmc modules

Alex Deucher alexdeucher at gmail.com
Tue Aug 22 17:09:36 UTC 2017


Move the asic specific code into the IP modules.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | 52 --------------------------------
 drivers/gpu/drm/amd/amdgpu/amdgpu_gart.h |  1 -
 drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c    | 19 +++++++++++-
 drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c    | 22 +++++++++++++-
 drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c    | 21 ++++++++++++-
 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c    | 16 +++++++++-
 6 files changed, 74 insertions(+), 57 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
index 2027eb0..f437008 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
@@ -57,58 +57,6 @@
  */
 
 /**
- * amdgpu_gart_set_defaults - set the default gart_size
- *
- * @adev: amdgpu_device pointer
- *
- * Set the default gart_size based on parameters and available VRAM.
- */
-void amdgpu_gart_set_defaults(struct amdgpu_device *adev)
-{
-	u64 gart_size;
-
-	if (amdgpu_gart_size == -1) {
-		switch (adev->asic_type) {
-#ifdef CONFIG_DRM_AMDGPU_SI
-		case CHIP_HAINAN:    /* no MM engines */
-#endif
-		case CHIP_TOPAZ:     /* no MM engines */
-		case CHIP_POLARIS11: /* all engines support GPUVM */
-		case CHIP_POLARIS10: /* all engines support GPUVM */
-		case CHIP_POLARIS12: /* all engines support GPUVM */
-		case CHIP_VEGA10:    /* all engines support GPUVM */
-		default:
-			gart_size = 256;
-			break;
-#ifdef CONFIG_DRM_AMDGPU_SI
-		case CHIP_VERDE:    /* UVD, VCE do not support GPUVM */
-		case CHIP_TAHITI:   /* UVD, VCE do not support GPUVM */
-		case CHIP_PITCAIRN: /* UVD, VCE do not support GPUVM */
-		case CHIP_OLAND:    /* UVD, VCE do not support GPUVM */
-#endif
-#ifdef CONFIG_DRM_AMDGPU_CIK
-		case CHIP_BONAIRE: /* UVD, VCE do not support GPUVM */
-		case CHIP_HAWAII:  /* UVD, VCE do not support GPUVM */
-		case CHIP_KAVERI:  /* UVD, VCE do not support GPUVM */
-		case CHIP_KABINI:  /* UVD, VCE do not support GPUVM */
-		case CHIP_MULLINS: /* UVD, VCE do not support GPUVM */
-#endif
-		case CHIP_TONGA:   /* UVD, VCE do not support GPUVM */
-		case CHIP_FIJI:    /* UVD, VCE do not support GPUVM */
-		case CHIP_CARRIZO: /* UVD, VCE do not support GPUVM, DCE SG support */
-		case CHIP_STONEY:  /* UVD does not support GPUVM, DCE SG support */
-		case CHIP_RAVEN:   /* DCE SG support */
-			gart_size = 1024;
-			break;
-		}
-	} else {
-		gart_size = amdgpu_gart_size;
-	}
-
-	adev->mc.gart_size = gart_size << 20;
-}
-
-/**
  * amdgpu_gart_table_ram_alloc - allocate system ram for gart page table
  *
  * @adev: amdgpu_device pointer
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.h
index d4cce69..afbe803 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.h
@@ -56,7 +56,6 @@ struct amdgpu_gart {
 	const struct amdgpu_gart_funcs *gart_funcs;
 };
 
-void amdgpu_gart_set_defaults(struct amdgpu_device *adev);
 int amdgpu_gart_table_ram_alloc(struct amdgpu_device *adev);
 void amdgpu_gart_table_ram_free(struct amdgpu_device *adev);
 int amdgpu_gart_table_vram_alloc(struct amdgpu_device *adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
index 6e68579..58fe8cc 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
@@ -332,7 +332,24 @@ static int gmc_v6_0_mc_init(struct amdgpu_device *adev)
 	adev->mc.real_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
 	adev->mc.visible_vram_size = adev->mc.aper_size;
 
-	amdgpu_gart_set_defaults(adev);
+	/* set the gart size */
+	if (amdgpu_gart_size == -1) {
+		switch (adev->asic_type) {
+		case CHIP_HAINAN:    /* no MM engines */
+		default:
+			adev->mc.gart_size = 256ULL << 20;
+			break;
+		case CHIP_VERDE:    /* UVD, VCE do not support GPUVM */
+		case CHIP_TAHITI:   /* UVD, VCE do not support GPUVM */
+		case CHIP_PITCAIRN: /* UVD, VCE do not support GPUVM */
+		case CHIP_OLAND:    /* UVD, VCE do not support GPUVM */
+			adev->mc.gart_size = 1024ULL << 20;
+			break;
+		}
+	} else {
+		adev->mc.gart_size = (u64)amdgpu_gart_size << 20;
+	}
+
 	gmc_v6_0_vram_gtt_location(adev, &adev->mc);
 
 	return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
index f6acf5a..bcd6c74 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
@@ -386,7 +386,27 @@ static int gmc_v7_0_mc_init(struct amdgpu_device *adev)
 	if (adev->mc.visible_vram_size > adev->mc.real_vram_size)
 		adev->mc.visible_vram_size = adev->mc.real_vram_size;
 
-	amdgpu_gart_set_defaults(adev);
+	/* set the gart size */
+	if (amdgpu_gart_size == -1) {
+		switch (adev->asic_type) {
+		case CHIP_TOPAZ:     /* no MM engines */
+		default:
+			adev->mc.gart_size = 256ULL << 20;
+			break;
+#ifdef CONFIG_DRM_AMDGPU_CIK
+		case CHIP_BONAIRE: /* UVD, VCE do not support GPUVM */
+		case CHIP_HAWAII:  /* UVD, VCE do not support GPUVM */
+		case CHIP_KAVERI:  /* UVD, VCE do not support GPUVM */
+		case CHIP_KABINI:  /* UVD, VCE do not support GPUVM */
+		case CHIP_MULLINS: /* UVD, VCE do not support GPUVM */
+			adev->mc.gart_size = 1024ULL << 20;
+			break;
+#endif
+		}
+	} else {
+		adev->mc.gart_size = (u64)amdgpu_gart_size << 20;
+	}
+
 	gmc_v7_0_vram_gtt_location(adev, &adev->mc);
 
 	return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index cb224d5..d320118 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -562,7 +562,26 @@ static int gmc_v8_0_mc_init(struct amdgpu_device *adev)
 	if (adev->mc.visible_vram_size > adev->mc.real_vram_size)
 		adev->mc.visible_vram_size = adev->mc.real_vram_size;
 
-	amdgpu_gart_set_defaults(adev);
+	/* set the gart size */
+	if (amdgpu_gart_size == -1) {
+		switch (adev->asic_type) {
+		case CHIP_POLARIS11: /* all engines support GPUVM */
+		case CHIP_POLARIS10: /* all engines support GPUVM */
+		case CHIP_POLARIS12: /* all engines support GPUVM */
+		default:
+			adev->mc.gart_size = 256ULL << 20;
+			break;
+		case CHIP_TONGA:   /* UVD, VCE do not support GPUVM */
+		case CHIP_FIJI:    /* UVD, VCE do not support GPUVM */
+		case CHIP_CARRIZO: /* UVD, VCE do not support GPUVM, DCE SG support */
+		case CHIP_STONEY:  /* UVD does not support GPUVM, DCE SG support */
+			adev->mc.gart_size = 1024ULL << 20;
+			break;
+		}
+	} else {
+		adev->mc.gart_size = (u64)amdgpu_gart_size << 20;
+	}
+
 	gmc_v8_0_vram_gtt_location(adev, &adev->mc);
 
 	return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 2769c2b..d04d0b1 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -499,7 +499,21 @@ static int gmc_v9_0_mc_init(struct amdgpu_device *adev)
 	if (adev->mc.visible_vram_size > adev->mc.real_vram_size)
 		adev->mc.visible_vram_size = adev->mc.real_vram_size;
 
-	amdgpu_gart_set_defaults(adev);
+	/* set the gart size */
+	if (amdgpu_gart_size == -1) {
+		switch (adev->asic_type) {
+		case CHIP_VEGA10:  /* all engines support GPUVM */
+		default:
+			adev->mc.gart_size = 256ULL << 20;
+			break;
+		case CHIP_RAVEN:   /* DCE SG support */
+			adev->mc.gart_size = 1024ULL << 20;
+			break;
+		}
+	} else {
+		adev->mc.gart_size = (u64)amdgpu_gart_size << 20;
+	}
+
 	gmc_v9_0_vram_gtt_location(adev, &adev->mc);
 
 	return 0;
-- 
2.5.5



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