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Commit ac375405 authored by Carter Cooper's avatar Carter Cooper
Browse files

msm: kgsl: Read number of load regions from gmu fw binary 



Instead of hardcoding the number of load regions,
read it from the GMU fw binary image.

Change-Id: Ic489a0f0f65c92bc956d14a865cc837dfc3d673f
Signed-off-by: default avatarCarter Cooper <ccooper@codeaurora.org>
parent ce7f2209

drivers/gpu/msm/adreno_a6xx.c

+7 −4
Original line number Diff line number Diff line
@@ -1947,8 +1947,6 @@ static int a6xx_rpmh_power_off_gpu(struct kgsl_device *device) 
 */

#define GMU_FW_HEADER_SIZE 4



#define NUM_LOAD_REGIONS  7



#define GMU_ITCM_VA_START 0x0

#define GMU_ITCM_VA_END   (GMU_ITCM_VA_START + 0x4000) /* 16 KB */
@@ -1963,14 +1961,19 @@ static int load_gmu_fw(struct kgsl_device *device) 
	struct gmu_device *gmu = &device->gmu;

	uint32_t *fwptr = gmu->fw_image->hostptr;

	int i, j, ret;

	int start_addr, size_in_bytes, num_dwords, tcm_slot;

	int start_addr, size_in_bytes, num_dwords, tcm_slot, num_records;



	/* Allocates & maps memory for GMU cached instructions range */

	ret = allocate_gmu_cached_fw(gmu);

	if (ret)

		return ret;



	for (i = 0; i < NUM_LOAD_REGIONS; i++) {

	/*

	 * Read first record. pad0 field of first record contains

	 * number of records in the image.

	 */

	num_records = fwptr[2];

	for (i = 0; i < num_records; i++) {

		start_addr = fwptr[0];

		size_in_bytes = fwptr[1];

		num_dwords = size_in_bytes / sizeof(uint32_t);