drm/amdgpu: add asic callback to get memsize register

Newer asics use different registers so abstract it.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 00553bf..0cb305b 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1221,6 +1221,8 @@ struct amdgpu_asic_funcs {
        /* static power management */
        int (*get_pcie_lanes)(struct amdgpu_device *adev);
        void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
+       /* get config memsize register */
+       u32 (*get_config_memsize)(struct amdgpu_device *adev);
 };
 
 /*
@@ -1680,6 +1682,7 @@ amdgpu_get_sdma_instance(struct amdgpu_ring *ring)
 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
+#define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
 #define amdgpu_gart_flush_gpu_tlb(adev, vmid) (adev)->gart.gart_funcs->flush_gpu_tlb((adev), (vmid))
 #define amdgpu_gart_set_pte_pde(adev, pt, idx, addr, flags) (adev)->gart.gart_funcs->set_pte_pde((adev), (pt), (idx), (addr), (flags))
 #define amdgpu_vm_copy_pte(adev, ib, pe, src, count) ((adev)->vm_manager.vm_pte_funcs->copy_pte((ib), (pe), (src), (count)))

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index a702472..c0d12e8 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -713,7 +713,7 @@ bool amdgpu_need_post(struct amdgpu_device *adev)
                return true;
        }
        /* then check MEM_SIZE, in case the crtcs are off */
-       reg = RREG32(mmCONFIG_MEMSIZE);
+       reg = amdgpu_asic_get_config_memsize(adev);
 
        if (reg)
                return false;

diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c
index c4d4b35..dbaedb4 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/cik.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik.c
@@ -1212,6 +1212,11 @@ static int cik_asic_reset(struct amdgpu_device *adev)
        return r;
 }
 
+static u32 cik_get_config_memsize(struct amdgpu_device *adev)
+{
+       return RREG32(mmCONFIG_MEMSIZE);
+}
+
 static int cik_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
                              u32 cntl_reg, u32 status_reg)
 {
@@ -1641,6 +1646,7 @@ static const struct amdgpu_asic_funcs cik_asic_funcs =
        .get_xclk = &cik_get_xclk,
        .set_uvd_clocks = &cik_set_uvd_clocks,
        .set_vce_clocks = &cik_set_vce_clocks,
+       .get_config_memsize = &cik_get_config_memsize,
 };
 
 static int cik_common_early_init(void *handle)

diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c
index b71e3fa..c0b1aab 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/si.c
+++ b/drivers/gpu/drm/amd/amdgpu/si.c
@@ -45,6 +45,7 @@
 #include "gmc/gmc_6_0_d.h"
 #include "dce/dce_6_0_d.h"
 #include "uvd/uvd_4_0_d.h"
+#include "bif/bif_3_0_d.h"
 
 static const u32 tahiti_golden_registers[] =
 {
@@ -1155,6 +1156,11 @@ static int si_asic_reset(struct amdgpu_device *adev)
        return 0;
 }
 
+static u32 si_get_config_memsize(struct amdgpu_device *adev)
+{
+       return RREG32(mmCONFIG_MEMSIZE);
+}
+
 static void si_vga_set_state(struct amdgpu_device *adev, bool state)
 {
        uint32_t temp;
@@ -1206,6 +1212,7 @@ static const struct amdgpu_asic_funcs si_asic_funcs =
        .get_xclk = &si_get_xclk,
        .set_uvd_clocks = &si_set_uvd_clocks,
        .set_vce_clocks = NULL,
+       .get_config_memsize = &si_get_config_memsize,
 };
 
 static uint32_t si_get_rev_id(struct amdgpu_device *adev)

diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
index 7fa314c..f4751a2 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/vi.c
+++ b/drivers/gpu/drm/amd/amdgpu/vi.c
@@ -751,6 +751,11 @@ static int vi_asic_reset(struct amdgpu_device *adev)
        return r;
 }
 
+static u32 vi_get_config_memsize(struct amdgpu_device *adev)
+{
+       return RREG32(mmCONFIG_MEMSIZE);
+}
+
 static int vi_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
                        u32 cntl_reg, u32 status_reg)
 {
@@ -900,6 +905,7 @@ static const struct amdgpu_asic_funcs vi_asic_funcs =
        .get_xclk = &vi_get_xclk,
        .set_uvd_clocks = &vi_set_uvd_clocks,
        .set_vce_clocks = &vi_set_vce_clocks,
+       .get_config_memsize = &vi_get_config_memsize,
 };
 
 static int vi_common_early_init(void *handle)