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drm/amd/display: Load DMCU IRAM

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DMCU IRAM must be loaded by the driver before DMCU
can function.

Move the IRAM code out of the shadows and into a new file
modules/power/power_helpers.c

The IRAM table contains the backlight curve and ABM parameters

Add this new file to the Makefiles

Call dmcu_load_iram in late init of DM

Move struct dmcu_version from dc.h to dmcu.h to allow
dmcu to be included on its own

Signed-off-by: David Francis <David.Francis@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
David Francis
2018-11-26 11:38:33 -05:00
committed by Alex Deucher
parent 51f1f6f517
commit bbf854dc35
7 changed files with 435 additions and 8 deletions
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47
drivers/gpu/drm/amd/display/modules/power/power_helpers.h Normal file
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/* Copyright 2018 Advanced Micro Devices, Inc.
*
* 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
*
* Authors: AMD
*
*/
#ifndef MODULES_POWER_POWER_HELPERS_H_
#define MODULES_POWER_POWER_HELPERS_H_
#include "dc/inc/hw/dmcu.h"
enum abm_defines {
abm_defines_max_level = 4,
abm_defines_max_config = 4,
};
struct dmcu_iram_parameters {
unsigned int *backlight_lut_array;
unsigned int backlight_lut_array_size;
unsigned int backlight_ramping_reduction;
unsigned int backlight_ramping_start;
unsigned int set;
};
bool dmcu_load_iram(struct dmcu *dmcu,
struct dmcu_iram_parameters params);
#endif /* MODULES_POWER_POWER_HELPERS_H_ */