Commit 1537638a authored by Sunil Khatri's avatar Sunil Khatri Committed by Alex Deucher
Browse files

drm/amdgpu: optimize fn gfx_v9_ring_insert_nop 



Optimize gfx_v9_ring_insert_nop() to call
optimized version of amdgpu_ring_insert_nop
instead of calling amdgpu_ring_write for number
of nop times.

Signed-off-by: default avatarSunil Khatri <sunil.khatri@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent a23575bb

drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c

+1 −4
Original line number Diff line number Diff line
@@ -7190,8 +7190,6 @@ static void gfx_v9_0_emit_wave_limit(struct amdgpu_ring *ring, bool enable) 


static void gfx_v9_ring_insert_nop(struct amdgpu_ring *ring, uint32_t num_nop)

{

	int i;



	/* Header itself is a NOP packet */

	if (num_nop == 1) {

		amdgpu_ring_write(ring, ring->funcs->nop);
@@ -7202,8 +7200,7 @@ static void gfx_v9_ring_insert_nop(struct amdgpu_ring *ring, uint32_t num_nop) 
	amdgpu_ring_write(ring, PACKET3(PACKET3_NOP, min(num_nop - 2, 0x3ffe)));



	/* Header is at index 0, followed by num_nops - 1 NOP packet's */

	for (i = 1; i < num_nop; i++)

		amdgpu_ring_write(ring, ring->funcs->nop);

	amdgpu_ring_insert_nop(ring, num_nop - 1);

}



static int gfx_v9_0_reset_kgq(struct amdgpu_ring *ring, unsigned int vmid)