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drm/amd/display: Add bit swap helper based on endianness 

Christian Koenig pointed out a code duplication related to bit swap in
case of big-endian manipulation. This commit adds a helper for handling
this verification and reduces the requirement of replicate some part of
the code.

Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Reviewed-by: Wyatt Wood <Wyatt.Wood@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rodrigo Siqueira 2020-04-24 10:49:38 -04:00 committed by Alex Deucher
parent 0922b899f3
commit 569f4f9bf0
1 changed files with 26 additions and 24 deletions
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50
drivers/gpu/drm/amd/display/modules/power/power_helpers.c
View File

@ -29,6 +29,8 @@
#include "core_types.h"
#define DIV_ROUNDUP(a, b) (((a)+((b)/2))/(b))
#define bswap16_based_on_endian(big_endian, value) \
(big_endian) ? cpu_to_be16(value) : cpu_to_le16(value)
/* Possible Min Reduction config from least aggressive to most aggressive
* 0 1 2 3 4 5 6 7 8 9 10 11 12
@ -624,30 +626,30 @@ void fill_iram_v_2_3(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parame
ram_table->iir_curve[4] = 0x65;
//Gamma 2.2
ram_table->crgb_thresh[0] = (big_endian) ? cpu_to_be16(0x127c) : cpu_to_le16(0x127c);
ram_table->crgb_thresh[1] = (big_endian) ? cpu_to_be16(0x151b) : cpu_to_le16(0x151b);
ram_table->crgb_thresh[2] = (big_endian) ? cpu_to_be16(0x17d5) : cpu_to_le16(0x17d5);
ram_table->crgb_thresh[3] = (big_endian) ? cpu_to_be16(0x1a56) : cpu_to_le16(0x1a56);
ram_table->crgb_thresh[4] = (big_endian) ? cpu_to_be16(0x1c83) : cpu_to_le16(0x1c83);
ram_table->crgb_thresh[5] = (big_endian) ? cpu_to_be16(0x1e72) : cpu_to_le16(0x1e72);
ram_table->crgb_thresh[6] = (big_endian) ? cpu_to_be16(0x20f0) : cpu_to_le16(0x20f0);
ram_table->crgb_thresh[7] = (big_endian) ? cpu_to_be16(0x232b) : cpu_to_le16(0x232b);
ram_table->crgb_offset[0] = (big_endian) ? cpu_to_be16(0x2999) : cpu_to_le16(0x2999);
ram_table->crgb_offset[1] = (big_endian) ? cpu_to_be16(0x3999) : cpu_to_le16(0x3999);
ram_table->crgb_offset[2] = (big_endian) ? cpu_to_be16(0x4666) : cpu_to_le16(0x4666);
ram_table->crgb_offset[3] = (big_endian) ? cpu_to_be16(0x5999) : cpu_to_le16(0x5999);
ram_table->crgb_offset[4] = (big_endian) ? cpu_to_be16(0x6333) : cpu_to_le16(0x6333);
ram_table->crgb_offset[5] = (big_endian) ? cpu_to_be16(0x7800) : cpu_to_le16(0x7800);
ram_table->crgb_offset[6] = (big_endian) ? cpu_to_be16(0x8c00) : cpu_to_le16(0x8c00);
ram_table->crgb_offset[7] = (big_endian) ? cpu_to_be16(0xa000) : cpu_to_le16(0xa000);
ram_table->crgb_slope[0] = (big_endian) ? cpu_to_be16(0x3609) : cpu_to_le16(0x3609);
ram_table->crgb_slope[1] = (big_endian) ? cpu_to_be16(0x2dfa) : cpu_to_le16(0x2dfa);
ram_table->crgb_slope[2] = (big_endian) ? cpu_to_be16(0x27ea) : cpu_to_le16(0x27ea);
ram_table->crgb_slope[3] = (big_endian) ? cpu_to_be16(0x235d) : cpu_to_le16(0x235d);
ram_table->crgb_slope[4] = (big_endian) ? cpu_to_be16(0x2042) : cpu_to_le16(0x2042);
ram_table->crgb_slope[5] = (big_endian) ? cpu_to_be16(0x1dc3) : cpu_to_le16(0x1dc3);
ram_table->crgb_slope[6] = (big_endian) ? cpu_to_be16(0x1b1a) : cpu_to_le16(0x1b1a);
ram_table->crgb_slope[7] = (big_endian) ? cpu_to_be16(0x1910) : cpu_to_le16(0x1910);
ram_table->crgb_thresh[0] = bswap16_based_on_endian(big_endian, 0x127c);
ram_table->crgb_thresh[1] = bswap16_based_on_endian(big_endian, 0x151b);
ram_table->crgb_thresh[2] = bswap16_based_on_endian(big_endian, 0x17d5);
ram_table->crgb_thresh[3] = bswap16_based_on_endian(big_endian, 0x1a56);
ram_table->crgb_thresh[4] = bswap16_based_on_endian(big_endian, 0x1c83);
ram_table->crgb_thresh[5] = bswap16_based_on_endian(big_endian, 0x1e72);
ram_table->crgb_thresh[6] = bswap16_based_on_endian(big_endian, 0x20f0);
ram_table->crgb_thresh[7] = bswap16_based_on_endian(big_endian, 0x232b);
ram_table->crgb_offset[0] = bswap16_based_on_endian(big_endian, 0x2999);
ram_table->crgb_offset[1] = bswap16_based_on_endian(big_endian, 0x3999);
ram_table->crgb_offset[2] = bswap16_based_on_endian(big_endian, 0x4666);
ram_table->crgb_offset[3] = bswap16_based_on_endian(big_endian, 0x5999);
ram_table->crgb_offset[4] = bswap16_based_on_endian(big_endian, 0x6333);
ram_table->crgb_offset[5] = bswap16_based_on_endian(big_endian, 0x7800);
ram_table->crgb_offset[6] = bswap16_based_on_endian(big_endian, 0x8c00);
ram_table->crgb_offset[7] = bswap16_based_on_endian(big_endian, 0xa000);
ram_table->crgb_slope[0] = bswap16_based_on_endian(big_endian, 0x3609);
ram_table->crgb_slope[1] = bswap16_based_on_endian(big_endian, 0x2dfa);
ram_table->crgb_slope[2] = bswap16_based_on_endian(big_endian, 0x27ea);
ram_table->crgb_slope[3] = bswap16_based_on_endian(big_endian, 0x235d);
ram_table->crgb_slope[4] = bswap16_based_on_endian(big_endian, 0x2042);
ram_table->crgb_slope[5] = bswap16_based_on_endian(big_endian, 0x1dc3);
ram_table->crgb_slope[6] = bswap16_based_on_endian(big_endian, 0x1b1a);
ram_table->crgb_slope[7] = bswap16_based_on_endian(big_endian, 0x1910);
fill_backlight_transform_table_v_2_2(
params, ram_table, big_endian);