diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_params.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_params.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_params.h b/drivers/gpu/drm/i915/i915_params.h new file mode 100644 index 000000000..2733cb6cf --- /dev/null +++ b/drivers/gpu/drm/i915/i915_params.h @@ -0,0 +1,101 @@ +/* + * Copyright © 2015 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + */ + +#ifndef _I915_PARAMS_H_ +#define _I915_PARAMS_H_ + +#include <linux/bitops.h> +#include <linux/cache.h> /* for __read_mostly */ + +struct drm_printer; + +#define ENABLE_GUC_SUBMISSION BIT(0) +#define ENABLE_GUC_LOAD_HUC BIT(1) +#define ENABLE_GUC_MASK GENMASK(1, 0) + +/* + * Invoke param, a function-like macro, for each i915 param, with arguments: + * + * param(type, name, value, mode) + * + * type: parameter type, one of {bool, int, unsigned int, unsigned long, char *} + * name: name of the parameter + * value: initial/default value of the parameter + * mode: debugfs file permissions, one of {0400, 0600, 0}, use 0 to not create + * debugfs file + */ +#define I915_PARAMS_FOR_EACH(param) \ + param(char *, vbt_firmware, NULL, 0400) \ + param(int, modeset, -1, 0400) \ + param(int, lvds_channel_mode, 0, 0400) \ + param(int, panel_use_ssc, -1, 0600) \ + param(int, vbt_sdvo_panel_type, -1, 0400) \ + param(int, enable_dc, -1, 0400) \ + param(int, enable_fbc, -1, 0600) \ + param(int, enable_psr, -1, 0600) \ + param(bool, psr_safest_params, false, 0400) \ + param(bool, enable_psr2_sel_fetch, true, 0400) \ + param(int, disable_power_well, -1, 0400) \ + param(int, enable_ips, 1, 0600) \ + param(int, invert_brightness, 0, 0600) \ + param(int, enable_guc, -1, 0400) \ + param(int, guc_log_level, -1, 0400) \ + param(char *, guc_firmware_path, NULL, 0400) \ + param(char *, huc_firmware_path, NULL, 0400) \ + param(char *, dmc_firmware_path, NULL, 0400) \ + param(bool, memtest, false, 0400) \ + param(int, mmio_debug, -IS_ENABLED(CONFIG_DRM_I915_DEBUG_MMIO), 0600) \ + param(int, edp_vswing, 0, 0400) \ + param(unsigned int, reset, 3, 0600) \ + param(unsigned int, inject_probe_failure, 0, 0) \ + param(int, fastboot, -1, 0600) \ + param(int, enable_dpcd_backlight, -1, 0600) \ + param(char *, force_probe, CONFIG_DRM_I915_FORCE_PROBE, 0400) \ + param(unsigned int, request_timeout_ms, CONFIG_DRM_I915_REQUEST_TIMEOUT, CONFIG_DRM_I915_REQUEST_TIMEOUT ? 0600 : 0) \ + param(unsigned int, lmem_size, 0, 0400) \ + param(unsigned int, lmem_bar_size, 0, 0400) \ + /* leave bools at the end to not create holes */ \ + param(bool, enable_hangcheck, true, 0600) \ + param(bool, load_detect_test, false, 0600) \ + param(bool, force_reset_modeset_test, false, 0600) \ + param(bool, error_capture, true, IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR) ? 0600 : 0) \ + param(bool, disable_display, false, 0400) \ + param(bool, verbose_state_checks, true, 0) \ + param(bool, nuclear_pageflip, false, 0400) \ + param(bool, enable_dp_mst, true, 0600) \ + param(bool, enable_gvt, false, IS_ENABLED(CONFIG_DRM_I915_GVT) ? 0400 : 0) + +#define MEMBER(T, member, ...) T member; +struct i915_params { + I915_PARAMS_FOR_EACH(MEMBER); +}; +#undef MEMBER + +extern struct i915_params i915_modparams __read_mostly; + +void i915_params_dump(const struct i915_params *params, struct drm_printer *p); +void i915_params_copy(struct i915_params *dest, const struct i915_params *src); +void i915_params_free(struct i915_params *params); + +#endif |