From: Ville Syrjälä Date: Tue, 17 Jun 2025 17:07:53 +0000 (+0300) Subject: drm/i915/dmc: Shuffle code around X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f9875cc9e2a5edc1fbc30bd90f5f845018be877d;p=thirdparty%2Fkernel%2Flinux.git drm/i915/dmc: Shuffle code around Shuffle the DMC_EVT_CTL related stuff around once more. We'll need this stuff during intel_dmc_enable_pipe(), and this lets us avoid forward declarations. Reviewed-by: Uma Shankar Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20250617170759.19552-4-ville.syrjala@linux.intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c index ef61870b88291..cee4e3748b8da 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc.c +++ b/drivers/gpu/drm/i915/display/intel_dmc.c @@ -506,42 +506,6 @@ static u32 pipedmc_interrupt_mask(struct intel_display *display) PIPEDMC_ATS_FAULT; } -void intel_dmc_enable_pipe(struct intel_display *display, enum pipe pipe) -{ - enum intel_dmc_id dmc_id = PIPE_TO_DMC_ID(pipe); - - if (!is_valid_dmc_id(dmc_id) || !has_dmc_id_fw(display, dmc_id)) - return; - - if (DISPLAY_VER(display) >= 20) { - intel_de_write(display, PIPEDMC_INTERRUPT(pipe), pipedmc_interrupt_mask(display)); - intel_de_write(display, PIPEDMC_INTERRUPT_MASK(pipe), ~pipedmc_interrupt_mask(display)); - } - - if (DISPLAY_VER(display) >= 14) - intel_de_rmw(display, MTL_PIPEDMC_CONTROL, 0, PIPEDMC_ENABLE_MTL(pipe)); - else - intel_de_rmw(display, PIPEDMC_CONTROL(pipe), 0, PIPEDMC_ENABLE); -} - -void intel_dmc_disable_pipe(struct intel_display *display, enum pipe pipe) -{ - enum intel_dmc_id dmc_id = PIPE_TO_DMC_ID(pipe); - - if (!is_valid_dmc_id(dmc_id) || !has_dmc_id_fw(display, dmc_id)) - return; - - if (DISPLAY_VER(display) >= 14) - intel_de_rmw(display, MTL_PIPEDMC_CONTROL, PIPEDMC_ENABLE_MTL(pipe), 0); - else - intel_de_rmw(display, PIPEDMC_CONTROL(pipe), PIPEDMC_ENABLE, 0); - - if (DISPLAY_VER(display) >= 20) { - intel_de_write(display, PIPEDMC_INTERRUPT_MASK(pipe), ~0); - intel_de_write(display, PIPEDMC_INTERRUPT(pipe), pipedmc_interrupt_mask(display)); - } -} - static u32 dmc_evt_ctl_disable(void) { return REG_FIELD_PREP(DMC_EVT_CTL_TYPE_MASK, @@ -579,6 +543,78 @@ static bool is_event_handler(struct intel_display *display, REG_FIELD_GET(DMC_EVT_CTL_EVENT_ID_MASK, data) == event_id; } +static bool disable_dmc_evt(struct intel_display *display, + enum intel_dmc_id dmc_id, + i915_reg_t reg, u32 data) +{ + if (!is_dmc_evt_ctl_reg(display, dmc_id, reg)) + return false; + + /* keep all pipe DMC events disabled by default */ + if (dmc_id != DMC_FW_MAIN) + return true; + + /* also disable the flip queue event on the main DMC on TGL */ + if (display->platform.tigerlake && + is_event_handler(display, dmc_id, MAINDMC_EVENT_CLK_MSEC, reg, data)) + return true; + + /* also disable the HRR event on the main DMC on TGL/ADLS */ + if ((display->platform.tigerlake || display->platform.alderlake_s) && + is_event_handler(display, dmc_id, MAINDMC_EVENT_VBLANK_A, reg, data)) + return true; + + return false; +} + +static u32 dmc_mmiodata(struct intel_display *display, + struct intel_dmc *dmc, + enum intel_dmc_id dmc_id, int i) +{ + if (disable_dmc_evt(display, dmc_id, + dmc->dmc_info[dmc_id].mmioaddr[i], + dmc->dmc_info[dmc_id].mmiodata[i])) + return dmc_evt_ctl_disable(); + else + return dmc->dmc_info[dmc_id].mmiodata[i]; +} + +void intel_dmc_enable_pipe(struct intel_display *display, enum pipe pipe) +{ + enum intel_dmc_id dmc_id = PIPE_TO_DMC_ID(pipe); + + if (!is_valid_dmc_id(dmc_id) || !has_dmc_id_fw(display, dmc_id)) + return; + + if (DISPLAY_VER(display) >= 20) { + intel_de_write(display, PIPEDMC_INTERRUPT(pipe), pipedmc_interrupt_mask(display)); + intel_de_write(display, PIPEDMC_INTERRUPT_MASK(pipe), ~pipedmc_interrupt_mask(display)); + } + + if (DISPLAY_VER(display) >= 14) + intel_de_rmw(display, MTL_PIPEDMC_CONTROL, 0, PIPEDMC_ENABLE_MTL(pipe)); + else + intel_de_rmw(display, PIPEDMC_CONTROL(pipe), 0, PIPEDMC_ENABLE); +} + +void intel_dmc_disable_pipe(struct intel_display *display, enum pipe pipe) +{ + enum intel_dmc_id dmc_id = PIPE_TO_DMC_ID(pipe); + + if (!is_valid_dmc_id(dmc_id) || !has_dmc_id_fw(display, dmc_id)) + return; + + if (DISPLAY_VER(display) >= 14) + intel_de_rmw(display, MTL_PIPEDMC_CONTROL, PIPEDMC_ENABLE_MTL(pipe), 0); + else + intel_de_rmw(display, PIPEDMC_CONTROL(pipe), PIPEDMC_ENABLE, 0); + + if (DISPLAY_VER(display) >= 20) { + intel_de_write(display, PIPEDMC_INTERRUPT_MASK(pipe), ~0); + intel_de_write(display, PIPEDMC_INTERRUPT(pipe), pipedmc_interrupt_mask(display)); + } +} + static void dmc_configure_event(struct intel_display *display, enum intel_dmc_id dmc_id, unsigned int event_id, @@ -639,42 +675,6 @@ void intel_dmc_start_pkgc_exit_at_start_of_undelayed_vblank(struct intel_display dmc_configure_event(display, dmc_id, PIPEDMC_EVENT_VBLANK, enable); } -static bool disable_dmc_evt(struct intel_display *display, - enum intel_dmc_id dmc_id, - i915_reg_t reg, u32 data) -{ - if (!is_dmc_evt_ctl_reg(display, dmc_id, reg)) - return false; - - /* keep all pipe DMC events disabled by default */ - if (dmc_id != DMC_FW_MAIN) - return true; - - /* also disable the flip queue event on the main DMC on TGL */ - if (display->platform.tigerlake && - is_event_handler(display, dmc_id, MAINDMC_EVENT_CLK_MSEC, reg, data)) - return true; - - /* also disable the HRR event on the main DMC on TGL/ADLS */ - if ((display->platform.tigerlake || display->platform.alderlake_s) && - is_event_handler(display, dmc_id, MAINDMC_EVENT_VBLANK_A, reg, data)) - return true; - - return false; -} - -static u32 dmc_mmiodata(struct intel_display *display, - struct intel_dmc *dmc, - enum intel_dmc_id dmc_id, int i) -{ - if (disable_dmc_evt(display, dmc_id, - dmc->dmc_info[dmc_id].mmioaddr[i], - dmc->dmc_info[dmc_id].mmiodata[i])) - return dmc_evt_ctl_disable(); - else - return dmc->dmc_info[dmc_id].mmiodata[i]; -} - /** * intel_dmc_load_program() - write the firmware from memory to register. * @display: display instance