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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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112d20ad5c
On older cards (<nv17) scanout gets blocked when the ROM is being accessed. PROM access usually comes out enabled from suspend, switch it off. Signed-off-by: Francisco Jerez <currojerez@riseup.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
25 lines
435 B
C
25 lines
435 B
C
#include "drmP.h"
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#include "drm.h"
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#include "nouveau_drv.h"
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#include "nouveau_drm.h"
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int
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nv04_mc_init(struct drm_device *dev)
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{
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/* Power up everything, resetting each individual unit will
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* be done later if needed.
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*/
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nv_wr32(dev, NV03_PMC_ENABLE, 0xFFFFFFFF);
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/* Disable PROM access. */
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nv_wr32(dev, NV_PBUS_PCI_NV_20, NV_PBUS_PCI_NV_20_ROM_SHADOW_ENABLED);
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return 0;
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}
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void
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nv04_mc_takedown(struct drm_device *dev)
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{
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}
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