drm/amdgpu: add asic callback to get memsize register

[karo-tx-linux.git] / drivers / gpu / drm / amd / amdgpu / si.c

diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c
index b71e3faa40db186b9f9bd4a52ebe0af8ee06435f..c0b1aabf282f5a7a2eaf3e0d3fcfe30da84e0d5f 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)