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Commit a3a8f150 authored by Krishna Chaitanya Parimi's avatar Krishna Chaitanya Parimi
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msm: mdss: Copy IGC LUT data correctly to userspace 



During IGC read operation, IGC LUT's data was copied to
userspace incorrectly because of swapping color components.

Fix component data swapping during IGC LUT data copy to
user space to provide the correct IGC LUT data to user space.

Change-Id: I301a3500f0e0c4bbf9f52affa66373585c72d987
Signed-off-by: default avatarKrishna Chaitanya Parimi <cparimi@codeaurora.org>
parent 738ee921

drivers/video/msm/mdss/mdss_mdp_pp.c

+2 −2
Original line number Diff line number Diff line
@@ -2480,13 +2480,13 @@ int mdss_mdp_igc_lut_config(struct mdp_igc_lut_data *config, 
		local_cfg.c2_data =

			&mdss_pp_res->igc_lut_c2[disp_num][0];

		pp_read_igc_lut(&local_cfg, igc_addr, dspp_num);

		if (copy_to_user(config->c0_c1_data, local_cfg.c2_data,

		if (copy_to_user(config->c0_c1_data, local_cfg.c0_c1_data,

			config->len * sizeof(u32))) {

			ret = -EFAULT;

			mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF, false);

			goto igc_config_exit;

		}

		if (copy_to_user(config->c2_data, local_cfg.c0_c1_data,

		if (copy_to_user(config->c2_data, local_cfg.c2_data,

			config->len * sizeof(u32))) {

			ret = -EFAULT;

			mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF, false);