28 static bool psr_active_check(int debugfs_fd, enum psr_mode mode)  in psr_active_check()  argument
33 	igt_debugfs_simple_read(debugfs_fd, "i915_edp_psr_status", buf,  in psr_active_check()
47 bool psr_wait_entry(int debugfs_fd, enum psr_mode mode)  in psr_wait_entry()  argument
49 	return igt_wait(psr_active_check(debugfs_fd, mode), 500, 20);  in psr_wait_entry()
52 bool psr_wait_update(int debugfs_fd, enum psr_mode mode)  in psr_wait_update()  argument
54 	return igt_wait(!psr_active_check(debugfs_fd, mode), 40, 10);  in psr_wait_update()
57 bool psr_long_wait_update(int debugfs_fd, enum psr_mode mode)  in psr_long_wait_update()  argument
59 	return igt_wait(!psr_active_check(debugfs_fd, mode), 500, 10);  in psr_long_wait_update()
62 static ssize_t psr_write(int debugfs_fd, const char *buf)  in psr_write()  argument
64 	return igt_sysfs_write(debugfs_fd, "i915_edp_psr_debug", buf,  in psr_write()
68 static int has_psr_debugfs(int debugfs_fd)  in has_psr_debugfs()  argument
77 	ret = psr_write(debugfs_fd, "0xf");  in has_psr_debugfs()
84 	psr_write(debugfs_fd, "0");  in has_psr_debugfs()
108 static bool psr_set(int debugfs_fd, int mode)  in psr_set()  argument
112 	ret = has_psr_debugfs(debugfs_fd);  in psr_set()
141 		ret = psr_write(debugfs_fd, debug_val);  in psr_set()
147 		psr_restore_debugfs_fd = dup(debugfs_fd);  in psr_set()
155 bool psr_enable(int debugfs_fd, enum psr_mode mode)  in psr_enable()  argument
157 	return psr_set(debugfs_fd, mode);  in psr_enable()
160 bool psr_disable(int debugfs_fd)  in psr_disable()  argument
163 	return psr_set(debugfs_fd, -1);  in psr_disable()
166 bool psr_sink_support(int debugfs_fd, enum psr_mode mode)  in psr_sink_support()  argument
171 	ret = igt_debugfs_simple_read(debugfs_fd, "i915_edp_psr_status", buf,  in psr_sink_support()
190 psr2_read_last_num_su_blocks_val(int debugfs_fd, uint16_t *num_su_blocks)  in psr2_read_last_num_su_blocks_val()  argument
196 	ret = igt_debugfs_simple_read(debugfs_fd, "i915_edp_psr_status", buf,  in psr2_read_last_num_su_blocks_val()
211 bool psr2_wait_su(int debugfs_fd, uint16_t *num_su_blocks)  in psr2_wait_su()  argument
213 	return igt_wait(psr2_read_last_num_su_blocks_val(debugfs_fd, num_su_blocks), 40, 1);  in psr2_wait_su()