Commit 1636295a authored by Jordan Crouse's avatar Jordan Crouse Committed by Rob Clark
Browse files

drm/msm/a6xx: Update the GMU bus tables for sc7180



Fixup the GMU bus table values for the sc7180 target.

Signed-off-by: default avatarJordan Crouse <jcrouse@codeaurora.org>
Reviewed-by: default avatarRob Clark <robdclark@gmail.com>
Fixes: e812744c ("drm: msm: a6xx: Add support for A618")
Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
parent 56d977d5
Loading
Loading
Loading
Loading
+60 −25
Original line number Diff line number Diff line
@@ -7,6 +7,7 @@

#include "a6xx_gmu.h"
#include "a6xx_gmu.xml.h"
#include "a6xx_gpu.h"

#define HFI_MSG_ID(val) [val] = #val

@@ -216,48 +217,82 @@ static int a6xx_hfi_send_perf_table(struct a6xx_gmu *gmu)
		NULL, 0);
}

static int a6xx_hfi_send_bw_table(struct a6xx_gmu *gmu)
static void a618_build_bw_table(struct a6xx_hfi_msg_bw_table *msg)
{
	struct a6xx_hfi_msg_bw_table msg = { 0 };
	/* Send a single "off" entry since the 618 GMU doesn't do bus scaling */
	msg->bw_level_num = 1;

	msg->ddr_cmds_num = 3;
	msg->ddr_wait_bitmask = 0x01;

	msg->ddr_cmds_addrs[0] = 0x50000;
	msg->ddr_cmds_addrs[1] = 0x5003c;
	msg->ddr_cmds_addrs[2] = 0x5000c;

	msg->ddr_cmds_data[0][0] =  0x40000000;
	msg->ddr_cmds_data[0][1] =  0x40000000;
	msg->ddr_cmds_data[0][2] =  0x40000000;

	/*
	 * The sdm845 GMU doesn't do bus frequency scaling on its own but it
	 * does need at least one entry in the list because it might be accessed
	 * when the GMU is shutting down. Send a single "off" entry.
	 * These are the CX (CNOC) votes - these are used by the GMU but the
	 * votes are known and fixed for the target
	 */
	msg->cnoc_cmds_num = 1;
	msg->cnoc_wait_bitmask = 0x01;

	msg->cnoc_cmds_addrs[0] = 0x5007c;
	msg->cnoc_cmds_data[0][0] =  0x40000000;
	msg->cnoc_cmds_data[1][0] =  0x60000001;
}

	msg.bw_level_num = 1;
static void a6xx_build_bw_table(struct a6xx_hfi_msg_bw_table *msg)
{
	/* Send a single "off" entry since the 630 GMU doesn't do bus scaling */
	msg->bw_level_num = 1;

	msg.ddr_cmds_num = 3;
	msg.ddr_wait_bitmask = 0x07;
	msg->ddr_cmds_num = 3;
	msg->ddr_wait_bitmask = 0x07;

	msg.ddr_cmds_addrs[0] = 0x50000;
	msg.ddr_cmds_addrs[1] = 0x5005c;
	msg.ddr_cmds_addrs[2] = 0x5000c;
	msg->ddr_cmds_addrs[0] = 0x50000;
	msg->ddr_cmds_addrs[1] = 0x5005c;
	msg->ddr_cmds_addrs[2] = 0x5000c;

	msg.ddr_cmds_data[0][0] =  0x40000000;
	msg.ddr_cmds_data[0][1] =  0x40000000;
	msg.ddr_cmds_data[0][2] =  0x40000000;
	msg->ddr_cmds_data[0][0] =  0x40000000;
	msg->ddr_cmds_data[0][1] =  0x40000000;
	msg->ddr_cmds_data[0][2] =  0x40000000;

	/*
	 * These are the CX (CNOC) votes.  This is used but the values for the
	 * sdm845 GMU are known and fixed so we can hard code them.
	 */

	msg.cnoc_cmds_num = 3;
	msg.cnoc_wait_bitmask = 0x05;
	msg->cnoc_cmds_num = 3;
	msg->cnoc_wait_bitmask = 0x05;

	msg.cnoc_cmds_addrs[0] = 0x50034;
	msg.cnoc_cmds_addrs[1] = 0x5007c;
	msg.cnoc_cmds_addrs[2] = 0x5004c;
	msg->cnoc_cmds_addrs[0] = 0x50034;
	msg->cnoc_cmds_addrs[1] = 0x5007c;
	msg->cnoc_cmds_addrs[2] = 0x5004c;

	msg.cnoc_cmds_data[0][0] =  0x40000000;
	msg.cnoc_cmds_data[0][1] =  0x00000000;
	msg.cnoc_cmds_data[0][2] =  0x40000000;
	msg->cnoc_cmds_data[0][0] =  0x40000000;
	msg->cnoc_cmds_data[0][1] =  0x00000000;
	msg->cnoc_cmds_data[0][2] =  0x40000000;

	msg->cnoc_cmds_data[1][0] =  0x60000001;
	msg->cnoc_cmds_data[1][1] =  0x20000001;
	msg->cnoc_cmds_data[1][2] =  0x60000001;
}


static int a6xx_hfi_send_bw_table(struct a6xx_gmu *gmu)
{
	struct a6xx_hfi_msg_bw_table msg = { 0 };
	struct a6xx_gpu *a6xx_gpu = container_of(gmu, struct a6xx_gpu, gmu);
	struct adreno_gpu *adreno_gpu = &a6xx_gpu->base;

	msg.cnoc_cmds_data[1][0] =  0x60000001;
	msg.cnoc_cmds_data[1][1] =  0x20000001;
	msg.cnoc_cmds_data[1][2] =  0x60000001;
	if (adreno_is_a618(adreno_gpu))
		a618_build_bw_table(&msg);
	else
		a6xx_build_bw_table(&msg);

	return a6xx_hfi_send_msg(gmu, HFI_H2F_MSG_BW_TABLE, &msg, sizeof(msg),
		NULL, 0);