The following issues were found

drivers/gpu/drm/sti/sti_compositor.c
1 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 196 Column: 2 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

              	/* populate data structure depending on compatibility */
	BUG_ON(!of_match_node(compositor_of_match, np)->data);

	memcpy(&compo->data, of_match_node(compositor_of_match, np)->data,
	       sizeof(struct sti_compositor_data));

	/* Get Memory ressources */
	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (res == NULL) {

Reported by FlawFinder.

drivers/gpu/drm/radeon/vce_v1_0.c
1 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 197 Column: 2 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

              	data[4] = cpu_to_le32(le32_to_cpu(sign->len) + 64);

	memset(&data[5], 0, 44);
	memcpy(&data[16], &sign[1], rdev->vce_fw->size - sizeof(*sign));

	data += (le32_to_cpu(sign->len) + 64) / 4;
	data[0] = sign->val[i].sigval[0];
	data[1] = sign->val[i].sigval[1];
	data[2] = sign->val[i].sigval[2];

Reported by FlawFinder.

drivers/gpu/drm/radeon/si.c
1 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 1675 Column: 2 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              	const char *new_chip_name;
	size_t pfp_req_size, me_req_size, ce_req_size, rlc_req_size, mc_req_size;
	size_t smc_req_size, mc2_req_size;
	char fw_name[30];
	int err;
	int new_fw = 0;
	bool new_smc = false;
	bool si58_fw = false;
	bool banks2_fw = false;

Reported by FlawFinder.

drivers/gpu/drm/i915/gt/intel_reset.c
1 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 1311 Column: 2 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              	struct intel_engine_cs *engine;
	intel_wakeref_t wakeref;
	intel_engine_mask_t tmp;
	char error_msg[80];
	char *msg = NULL;

	if (fmt) {
		va_list args;

Reported by FlawFinder.

drivers/gpu/drm/radeon/rv770.c
1 issues
failed to expand 'WREG32', it is invalid to use a preprocessor directive as macro parameter
Error

Line: 1103 

              
	r700_cp_stop(rdev);
	WREG32(CP_RB_CNTL,
#ifdef __BIG_ENDIAN
	       BUF_SWAP_32BIT |
#endif
	       RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));

	/* Reset cp */

Reported by Cppcheck.

drivers/gpu/drm/radeon/radeon_legacy_encoders.c
1 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 381 Column: 2 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              	struct backlight_properties props;
	struct radeon_backlight_privdata *pdata;
	uint8_t backlight_level;
	char bl_name[16];

	if (!radeon_encoder->enc_priv)
		return;

#ifdef CONFIG_PMAC_BACKLIGHT

Reported by FlawFinder.

drivers/gpu/drm/radeon/radeon_cs.c
1 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 655 Column: 3 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

              	}
	parser->ib.length_dw = ib_chunk->length_dw;
	if (ib_chunk->kdata)
		memcpy(parser->ib.ptr, ib_chunk->kdata, ib_chunk->length_dw * 4);
	else if (copy_from_user(parser->ib.ptr, ib_chunk->user_ptr, ib_chunk->length_dw * 4))
		return -EFAULT;
	return 0;
}

Reported by FlawFinder.

drivers/gpu/drm/radeon/radeon_connectors.c
1 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 780 Column: 5 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

              		if (mode->type & DRM_MODE_TYPE_PREFERRED) {
			if (mode->hdisplay != native_mode->hdisplay ||
			    mode->vdisplay != native_mode->vdisplay)
				memcpy(native_mode, mode, sizeof(*mode));
		}
	}

	/* Try to get native mode details from EDID if necessary */
	if (!native_mode->clock) {

Reported by FlawFinder.

drivers/gpu/drm/gma500/gma_display.c
1 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 404 Column: 4 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

              		tmp_dst = dev_priv->vram_addr + cursor_gt->offset;
		for (i = 0; i < cursor_pages; i++) {
			tmp_src = kmap(gt->pages[i]);
			memcpy(tmp_dst, tmp_src, PAGE_SIZE);
			kunmap(gt->pages[i]);
			tmp_dst += PAGE_SIZE;
		}

		addr = gma_crtc->cursor_addr;

Reported by FlawFinder.

drivers/gpu/drm/radeon/radeon_bios.c
1 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 182 Column: 2 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

              	}

	obj = (union acpi_object *)buffer.pointer;
	memcpy(bios+offset, obj->buffer.pointer, obj->buffer.length);
	len = obj->buffer.length;
	kfree(buffer.pointer);
	return len;
}

Reported by FlawFinder.