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mdss: display: expose panel parameters through framebuffer API

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Panel porch values and pixel clock can be used to calculate the refresh
rate from user space. Assign these values with information from panel
driver.

Change-Id: I29995d27904e50892d72de5e8c7dd39285f9d421
Signed-off-by: Adrian Salido-Moreno <adrianm@codeaurora.org>
This commit is contained in:
Adrian Salido-Moreno 2012-07-25 17:57:15 -07:00 committed by Stephen Boyd
parent 1fc675f27f
commit 8324566fb0
2 changed files with 13 additions and 5 deletions
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17
drivers/video/msm/mdss/mdss_fb.c
View file

@ -774,17 +774,23 @@ static int mdss_fb_register(struct msm_fb_data_type *mfd)
fix->type = panel_info->is_3d_panel;
fix->line_length = mdss_fb_line_length(mfd->index, panel_info->xres,
bpp);
mfd->var_xres = panel_info->xres;
mfd->var_yres = panel_info->yres;
var->pixclock = mfd->panel_info.clk_rate;
mfd->var_pixclock = var->pixclock;
var->xres = panel_info->xres;
var->yres = panel_info->yres;
var->xres_virtual = panel_info->xres;
var->yres_virtual = panel_info->yres * mfd->fb_page;
var->bits_per_pixel = bpp * 8; /* FrameBuffer color depth */
var->upper_margin = panel_info->lcdc.v_front_porch;
var->lower_margin = panel_info->lcdc.v_back_porch;
var->vsync_len = panel_info->lcdc.v_pulse_width;
var->left_margin = panel_info->lcdc.h_front_porch;
var->right_margin = panel_info->lcdc.h_back_porch;
var->hsync_len = panel_info->lcdc.h_pulse_width;
var->pixclock = panel_info->clk_rate / 1000;
mfd->var_xres = var->xres;
mfd->var_yres = var->yres;
mfd->var_pixclock = var->pixclock;
/* id field for fb app */
@ -796,6 +802,7 @@ static int mdss_fb_register(struct msm_fb_data_type *mfd)
fbi->flags = FBINFO_FLAG_DEFAULT;
fbi->pseudo_palette = mdss_fb_pseudo_palette;
panel_info->fbi = fbi;
mfd->ref_cnt = 0;
mfd->panel_power_on = false;

1
drivers/video/msm/mdss/mdss_panel.h
View file

@ -161,6 +161,7 @@ struct mdss_panel_info {
struct lcdc_panel_info lcdc;
struct mipi_panel_info mipi;
struct lvds_panel_info lvds;
struct fb_info *fbi;
};
struct mdss_panel_data {