git.openwrt.org Git - openwrt/staging/xback.git/blob

   1 From ab6f22f1747903266a88b73f628eb4f89474c84c Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.com>
   3 Date: Wed, 15 Dec 2021 17:47:14 +0000
   4 Subject: [PATCH] drm/vc4: Convert vc4_dsi to use atomic
   5  enable/disable/mode_set.
   6
   7 The atomic calls are preferred as the non-atomic ones
   8 are deprecated. In preparation for conversion to a bridge,
   9 switch to the atomic calls.
  10
  11 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
  12 ---
  13  drivers/gpu/drm/vc4/vc4_dsi.c | 23 +++++++++++++++--------
  14  1 file changed, 15 insertions(+), 8 deletions(-)
  15
  16 --- a/drivers/gpu/drm/vc4/vc4_dsi.c
  17 +++ b/drivers/gpu/drm/vc4/vc4_dsi.c
  18 @@ -789,7 +789,8 @@ dsi_esc_timing(u32 ns)
  19         return DIV_ROUND_UP(ns, ESC_TIME_NS);
  20  }
  21
  22 -static void vc4_dsi_encoder_disable(struct drm_encoder *encoder)
  23 +static void vc4_dsi_encoder_disable(struct drm_encoder *encoder,
  24 +                                   struct drm_atomic_state *state)
  25  {
  26         struct vc4_dsi *dsi = to_vc4_dsi(encoder);
  27         struct device *dev = &dsi->pdev->dev;
  28 @@ -853,17 +854,18 @@ static bool vc4_dsi_encoder_mode_fixup(s
  29  }
  30
  31  static void vc4_dsi_encoder_mode_set(struct drm_encoder *encoder,
  32 -                                    struct drm_display_mode *mode,
  33 -                                    struct drm_display_mode *adjusted_mode)
  34 +                                    struct drm_crtc_state *crtc_state,
  35 +                                    struct drm_connector_state *conn_state)
  36  {
  37         struct vc4_dsi *dsi = to_vc4_dsi(encoder);
  38         struct device *dev = &dsi->pdev->dev;
  39 +       const struct drm_display_mode *mode;
  40         bool debug_dump_regs = false;
  41         unsigned long hs_clock;
  42         u32 ui_ns;
  43         /* Minimum LP state duration in escape clock cycles. */
  44         u32 lpx = dsi_esc_timing(60);
  45 -       unsigned long pixel_clock_hz = adjusted_mode->clock * 1000;
  46 +       unsigned long pixel_clock_hz;
  47         unsigned long dsip_clock;
  48         unsigned long phy_clock;
  49         int ret;
  50 @@ -880,6 +882,10 @@ static void vc4_dsi_encoder_mode_set(str
  51                 drm_print_regset32(&p, &dsi->regset);
  52         }
  53
  54 +       mode = &crtc_state->adjusted_mode;
  55 +
  56 +       pixel_clock_hz = mode->clock * 1000;
  57 +
  58         /* Round up the clk_set_rate() request slightly, since
  59          * PLLD_DSI1 is an integer divider and its rate selection will
  60          * never round up.
  61 @@ -1092,7 +1098,8 @@ static void vc4_dsi_encoder_mode_set(str
  62         vc4_dsi_ulps(dsi, false);
  63  }
  64
  65 -static void vc4_dsi_encoder_enable(struct drm_encoder *encoder)
  66 +static void vc4_dsi_encoder_enable(struct drm_encoder *encoder,
  67 +                                  struct drm_atomic_state *state)
  68  {
  69         struct vc4_dsi_encoder *vc4_encoder = to_vc4_dsi_encoder(encoder);
  70         struct vc4_dsi *dsi = vc4_encoder->dsi;
  71 @@ -1349,10 +1356,10 @@ static const struct mipi_dsi_host_ops vc
  72  };
  73
  74  static const struct drm_encoder_helper_funcs vc4_dsi_encoder_helper_funcs = {
  75 -       .disable = vc4_dsi_encoder_disable,
  76 -       .enable = vc4_dsi_encoder_enable,
  77 +       .atomic_disable = vc4_dsi_encoder_disable,
  78 +       .atomic_enable = vc4_dsi_encoder_enable,
  79         .mode_fixup = vc4_dsi_encoder_mode_fixup,
  80 -       .mode_set = vc4_dsi_encoder_mode_set,
  81 +       .atomic_mode_set = vc4_dsi_encoder_mode_set,
  82  };
  83
  84  static int vc4_dsi_late_register(struct drm_encoder *encoder)