提交 96d78e37 编写于 作者: A Alex Deucher

drm/amdgpu/gmc7: disable legacy vga features in gmc init

Needs to be done when the MC is set up.
Acked-by: NChristian König <christian.koenig@amd.com>
Acked-by: NHarry Wentland <harry.wentland@amd.com>
Reviewed-by: NJunwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: NMichel Dänzer <michel.daenzer@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
上级 03ba88cf
......@@ -37,6 +37,9 @@
#include "oss/oss_2_0_d.h"
#include "oss/oss_2_0_sh_mask.h"
#include "dce/dce_8_0_d.h"
#include "dce/dce_8_0_sh_mask.h"
#include "amdgpu_atombios.h"
static void gmc_v7_0_set_gart_funcs(struct amdgpu_device *adev);
......@@ -273,6 +276,17 @@ static void gmc_v7_0_mc_program(struct amdgpu_device *adev)
if (gmc_v7_0_wait_for_idle((void *)adev)) {
dev_warn(adev->dev, "Wait for MC idle timedout !\n");
}
if (adev->mode_info.num_crtc) {
/* Lockout access through VGA aperture*/
tmp = RREG32(mmVGA_HDP_CONTROL);
tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
WREG32(mmVGA_HDP_CONTROL, tmp);
/* disable VGA render */
tmp = RREG32(mmVGA_RENDER_CONTROL);
tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
WREG32(mmVGA_RENDER_CONTROL, tmp);
}
/* Update configuration */
WREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
adev->mc.vram_start >> 12);
......
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