Let intel_set_transcoder_timings() take the target transcoder as an
explicit argument instead of always using crtc_state->cpu_transcoder.
This makes the helper reusable for callers that need to program timings
for a transcoder other than the CRTC's CPU transcoder.

Update all existing callers to pass crtc_state->cpu_transcoder so there
is no functional change.

Signed-off-by: Animesh Manna <[email protected]>
---
 drivers/gpu/drm/i915/display/intel_display.c | 35 ++++++++++----------
 1 file changed, 18 insertions(+), 17 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c 
b/drivers/gpu/drm/i915/display/intel_display.c
index 8e269b71f18e..9031264a34fc 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -132,7 +132,8 @@
 #include "vlv_dsi_pll.h"
 #include "vlv_dsi_regs.h"
 
-static void intel_set_transcoder_timings(const struct intel_crtc_state 
*crtc_state);
+static void intel_set_transcoder_timings(const struct intel_crtc_state 
*crtc_state,
+                                        enum transcoder transcoder);
 static void intel_set_pipe_src_size(const struct intel_crtc_state *crtc_state);
 static void hsw_set_transconf(const struct intel_crtc_state *crtc_state);
 static void bdw_set_pipe_misc(struct intel_dsb *dsb,
@@ -1504,7 +1505,7 @@ static void ilk_configure_cpu_transcoder(const struct 
intel_crtc_state *crtc_sta
                                               &crtc_state->dp_m2_n2);
        }
 
-       intel_set_transcoder_timings(crtc_state);
+       intel_set_transcoder_timings(crtc_state, crtc_state->cpu_transcoder);
 
        ilk_set_pipeconf(crtc_state);
 }
@@ -1635,7 +1636,7 @@ static void hsw_configure_cpu_transcoder(const struct 
intel_crtc_state *crtc_sta
                                               &crtc_state->dp_m2_n2);
        }
 
-       intel_set_transcoder_timings(crtc_state);
+       intel_set_transcoder_timings(crtc_state, crtc_state->cpu_transcoder);
 
        if (cpu_transcoder != TRANSCODER_EDP)
                intel_de_write(display, TRANS_MULT(display, cpu_transcoder),
@@ -2048,7 +2049,7 @@ static void i9xx_configure_cpu_transcoder(const struct 
intel_crtc_state *crtc_st
                                               &crtc_state->dp_m2_n2);
        }
 
-       intel_set_transcoder_timings(crtc_state);
+       intel_set_transcoder_timings(crtc_state, crtc_state->cpu_transcoder);
 
        i9xx_set_pipeconf(crtc_state);
 }
@@ -2664,17 +2665,17 @@ transcoder_has_vrr(const struct intel_crtc_state 
*crtc_state)
        return HAS_VRR(display) && !transcoder_is_dsi(cpu_transcoder);
 }
 
-static void intel_set_transcoder_timings(const struct intel_crtc_state 
*crtc_state)
+static void intel_set_transcoder_timings(const struct intel_crtc_state 
*crtc_state,
+                                        enum transcoder transcoder)
 {
        struct intel_display *display = to_intel_display(crtc_state);
        struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
        enum pipe pipe = crtc->pipe;
-       enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
        const struct drm_display_mode *adjusted_mode = 
&crtc_state->hw.adjusted_mode;
        u32 crtc_vdisplay, crtc_vtotal, crtc_vblank_start, crtc_vblank_end;
        int vsyncshift = 0;
 
-       drm_WARN_ON(display->drm, transcoder_is_dsi(cpu_transcoder));
+       drm_WARN_ON(display->drm, transcoder_is_dsi(transcoder));
 
        /* We need to be careful not to changed the adjusted mode, for otherwise
         * the hw state checker will get angry at the mismatch. */
@@ -2703,7 +2704,7 @@ static void intel_set_transcoder_timings(const struct 
intel_crtc_state *crtc_sta
         */
        if (DISPLAY_VER(display) >= 13) {
                intel_de_write(display,
-                              TRANS_SET_CONTEXT_LATENCY(display, 
cpu_transcoder),
+                              TRANS_SET_CONTEXT_LATENCY(display, transcoder),
                               crtc_state->set_context_latency);
 
                /*
@@ -2718,16 +2719,16 @@ static void intel_set_transcoder_timings(const struct 
intel_crtc_state *crtc_sta
 
        if (DISPLAY_VER(display) >= 4 && DISPLAY_VER(display) < 35)
                intel_de_write(display,
-                              TRANS_VSYNCSHIFT(display, cpu_transcoder),
+                              TRANS_VSYNCSHIFT(display, transcoder),
                               vsyncshift);
 
-       intel_de_write(display, TRANS_HTOTAL(display, cpu_transcoder),
+       intel_de_write(display, TRANS_HTOTAL(display, transcoder),
                       HACTIVE(adjusted_mode->crtc_hdisplay - 1) |
                       HTOTAL(adjusted_mode->crtc_htotal - 1));
-       intel_de_write(display, TRANS_HBLANK(display, cpu_transcoder),
+       intel_de_write(display, TRANS_HBLANK(display, transcoder),
                       HBLANK_START(adjusted_mode->crtc_hblank_start - 1) |
                       HBLANK_END(adjusted_mode->crtc_hblank_end - 1));
-       intel_de_write(display, TRANS_HSYNC(display, cpu_transcoder),
+       intel_de_write(display, TRANS_HSYNC(display, transcoder),
                       HSYNC_START(adjusted_mode->crtc_hsync_start - 1) |
                       HSYNC_END(adjusted_mode->crtc_hsync_end - 1));
 
@@ -2740,13 +2741,13 @@ static void intel_set_transcoder_timings(const struct 
intel_crtc_state *crtc_sta
        if (intel_vrr_always_use_vrr_tg(display))
                crtc_vtotal = 1;
 
-       intel_de_write(display, TRANS_VTOTAL(display, cpu_transcoder),
+       intel_de_write(display, TRANS_VTOTAL(display, transcoder),
                       VACTIVE(crtc_vdisplay - 1) |
                       VTOTAL(crtc_vtotal - 1));
-       intel_de_write(display, TRANS_VBLANK(display, cpu_transcoder),
+       intel_de_write(display, TRANS_VBLANK(display, transcoder),
                       VBLANK_START(crtc_vblank_start - 1) |
                       VBLANK_END(crtc_vblank_end - 1));
-       intel_de_write(display, TRANS_VSYNC(display, cpu_transcoder),
+       intel_de_write(display, TRANS_VSYNC(display, transcoder),
                       VSYNC_START(adjusted_mode->crtc_vsync_start - 1) |
                       VSYNC_END(adjusted_mode->crtc_vsync_end - 1));
 
@@ -2754,7 +2755,7 @@ static void intel_set_transcoder_timings(const struct 
intel_crtc_state *crtc_sta
         * programmed with the VTOTAL_EDP value. Same for VTOTAL_C. This is
         * documented on the DDI_FUNC_CTL register description, EDP Input Select
         * bits. */
-       if (display->platform.haswell && cpu_transcoder == TRANSCODER_EDP &&
+       if (display->platform.haswell && transcoder == TRANSCODER_EDP &&
            (pipe == PIPE_B || pipe == PIPE_C))
                intel_de_write(display, TRANS_VTOTAL(display, pipe),
                               VACTIVE(crtc_vdisplay - 1) |
@@ -2769,7 +2770,7 @@ static void intel_set_transcoder_timings(const struct 
intel_crtc_state *crtc_sta
                 * followed by BE which DPRX devices are unable to handle.
                 * https://groups.vesa.org/wg/DP/document/20494
                 */
-               intel_de_write(display, DP_MIN_HBLANK_CTL(cpu_transcoder),
+               intel_de_write(display, DP_MIN_HBLANK_CTL(transcoder),
                               crtc_state->min_hblank);
        }
 }
-- 
2.29.0

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