Commit 17d62410 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu/gmc11: implement get_vbios_fb_size() 



Implement get_vbios_fb_size() so we can properly reserve
the vbios splash screen to avoid potential artifacts on the
screen during the transition from the pre-OS console to the
OS console.

Acked-by: default avatarSunil Khatri <sunil.khatri@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent e84e40dc

drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c

+20 −1
Original line number Diff line number Diff line
@@ -31,6 +31,8 @@ 
#include "umc_v8_10.h"

#include "athub/athub_3_0_0_sh_mask.h"

#include "athub/athub_3_0_0_offset.h"

#include "dcn/dcn_3_2_0_offset.h"

#include "dcn/dcn_3_2_0_sh_mask.h"

#include "oss/osssys_6_0_0_offset.h"

#include "ivsrcid/vmc/irqsrcs_vmc_1_0.h"

#include "navi10_enum.h"
@@ -546,7 +548,24 @@ static void gmc_v11_0_get_vm_pte(struct amdgpu_device *adev, 


static unsigned gmc_v11_0_get_vbios_fb_size(struct amdgpu_device *adev)

{

	return 0;

	u32 d1vga_control = RREG32_SOC15(DCE, 0, regD1VGA_CONTROL);

	unsigned size;



	if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) {

		size = AMDGPU_VBIOS_VGA_ALLOCATION;

	} else {

		u32 viewport;

		u32 pitch;



		viewport = RREG32_SOC15(DCE, 0, regHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION);

		pitch = RREG32_SOC15(DCE, 0, regHUBPREQ0_DCSURF_SURFACE_PITCH);

		size = (REG_GET_FIELD(viewport,

					HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) *

				REG_GET_FIELD(pitch, HUBPREQ0_DCSURF_SURFACE_PITCH, PITCH) *

				4);

	}



	return size;

}



static const struct amdgpu_gmc_funcs gmc_v11_0_gmc_funcs = {