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Commit 48d3ed8c authored by Tarun Karra's avatar Tarun Karra
Browse files

msm: kgsl: Update TTBR0 when switching non current ringbuffer 



When switching context on non current ringbuffer we are currently
only updating the pagetable name. Update TTBR0 also so that when
we preempt back to this ringbuffer we use the correct pagetable.

Change-Id: Ifc631de92e48d25e065a6bc12671811bfdadc635
Signed-off-by: default avatarTarun Karra <tkarra@codeaurora.org>
parent 1509ff71

drivers/gpu/msm/adreno_iommu.c

+10 −1
Original line number Diff line number Diff line
@@ -14,6 +14,7 @@ 
#include "kgsl_sharedmem.h"

#include "a3xx_reg.h"

#include "adreno_pm4types.h"

#include "kgsl_mmu.h"



#define A5XX_PFP_PER_PROCESS_UCODE_VER 0x5FF064

#define A5XX_PM4_PER_PROCESS_UCODE_VER 0x5FF052
@@ -880,11 +881,19 @@ static int _set_pagetable_cpu(struct adreno_ringbuffer *rb, 
			current_global_ptname), new_pt->name);

	}



	/* Update the RB pagetable here */

	/* Update the RB pagetable info here */

	kgsl_sharedmem_writel(device, &rb->pagetable_desc,

		offsetof(

		struct adreno_ringbuffer_pagetable_info,

		current_rb_ptname), new_pt->name);

	kgsl_sharedmem_writeq(device, &rb->pagetable_desc,

		offsetof(

		struct adreno_ringbuffer_pagetable_info,

		ttbr0), kgsl_mmu_pagetable_get_ttbr0(new_pt));

	kgsl_sharedmem_writel(device, &rb->pagetable_desc,

		offsetof(

		struct adreno_ringbuffer_pagetable_info,

		contextidr), kgsl_mmu_pagetable_get_contextidr(new_pt));



	return 0;

}