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Commit ddfd2da4 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau: memory type detection for the really old chipsets 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 7ad2d31c

drivers/gpu/drm/nouveau/nv04_fb.c

+5 −0
Original line number Diff line number Diff line
@@ -29,6 +29,11 @@ nv04_fb_vram_init(struct drm_device *dev) 
		}

	}



	if ((boot0 & 0x00000038) <= 0x10)

		dev_priv->vram_type = NV_MEM_TYPE_SGRAM;

	else

		dev_priv->vram_type = NV_MEM_TYPE_SDRAM;



	return 0;

}

drivers/gpu/drm/nouveau/nv10_fb.c

+8 −0
Original line number Diff line number Diff line
@@ -35,6 +35,14 @@ nv10_fb_vram_init(struct drm_device *dev) 
	u32 fifo_data = nv_rd32(dev, NV04_PFB_FIFO_DATA);



	dev_priv->vram_size = fifo_data & NV10_PFB_FIFO_DATA_RAM_AMOUNT_MB_MASK;

	if (dev_priv->card_type < NV_20) {

		u32 cfg0 = nv_rd32(dev, 0x100200);

		if (cfg0 & 0x00000001)

			dev_priv->vram_type = NV_MEM_TYPE_DDR1;

		else

			dev_priv->vram_type = NV_MEM_TYPE_SDRAM;

	}



	return 0;

}